André, M., R. Behlke, J.-E. Wahlund, A. Vaivads, A.-I. Eriksson, A. Tjulin, T.D. Carozzi, C. Cully, G. Gustafsson, D. Sundkvist, Y. Khotyaintsev, N. Cornilleau-Wehrlin, L. Rezeau, M. Maksimovic, E. Lucek, A. Balogh, M. Dunlop, P.-A. Lindqvist, F. Mozer, A. Pedersen A. Fazakerley, Multi-spacecraft observations of broadband waves near the lower hybrid frequency at the Earthward edge of the magnetopause, Ann. Geophys., 19, 1471, 2001

Balogh, A., C.M. Carr, M.H. Acuña, M.W. Dunlop, T.J. Beek, P. Brown, K.-H. Fornaçon, E. Georgescu, K.-H. Glassmeier, J. Harris, G. Musmann, T. Oddy, K. Schwingenschuh, The Cluster Magnetic Field Investigation: overview of in-flight performance and initial results, Ann. Geophys., 19, 1207, 2001

Bonnet, R. M., Space science and exploration in the 21st century, Ann. Geophys., 19, 1202, 2001

Bosqued, J.M., T.D. Phan, I. Dandouras, C.P. Escoubet, H. Rème, A. Balogh, M.W. Dunlop, D. Alcaydé, E. Amata, M.-B. Bavassano-Cattaneo, R. Bruno, C. Carlson, A.M. DiLellis, L. Eliasson, V. Formisano, L.M. Kistler, B. Klecker, A. Korth, H. Kucharek, R. Lundin, M. McCarthy, J.P. McFadden, E. Möbius, G.K. Parks, and J.-A. Sauvaud, Cluster observations of the high-latitude magnetopause and cusp: initial results from the CIS ion instruments, Ann. Geophys., 19, 1545, 2001

Canu, P., P.M.E. Décréau, J.G. Trotignon, J.L. Rauch, H.C. Seran, P. Fergeau, M. Lévêque, Ph. Martin, F.X. Sené, E. Le Guirriec, H. Alleyne, and K. Yearby, Identification of natural plasma emissions observed close to the plasmapause by the Cluster-Whisper relaxation sounder, Ann. Geophys., 19, 1697, 2001

Cargill, P.J., M.W. Dunlop, A. Balogh, and the FGM team, First Cluster results of the magnetic field structure of the mid- and high-altitude cusps, Ann. Geophys., 19, 1533, 2001

Décréau, P.M.E., P. Fergeau, V. Krasnoselskikh, E. Le Guirriec, M. Lévêque, Ph. Martin, O. Randriamboarison, J.L. Rauch, F.X. Sené, H.C. Séran, J.G. Trotignon, P. Canu, N. Cornilleau, H. de Féraudy, H. Alleyne, K. Yearby, P.B. Mögensen, G. Gustafsson, M. André, D.C. Gurnett, F. Darrouzet, J. Lemaire, C.C. Harvey, P. Travnicek, and Whisper experimenters, Early results from the Whisper instrument on Cluster: an overview, Ann. Geophys., 19, 1241, 2001

Dunlop, M.W., A. Balogh, P. Cargill, R.C. Elphic, K.-H. Fornaçon, E. Georgescu, F. Sedgemore-Schulthess and the FGM team, Cluster observes the EarthOs magnetopause: coordinated four-point magnetic field measurements, Ann. Geophys., 19, 1449, 2001

Escoubet, C.P., M. Fehringer, M. Goldstein, The Cluster mission, Ann. Geophys., 19, 1197, 2001

Glassmeier, K.-H., U. Motschmann, M. Dunlop, A. Balogh, M.H. Acuña, C. Carr, G. Musmann, K.-H. Fornaçon, K. Schweda, J. Vogt, E. Georgescu, S. Buchert, Cluster as a wave telescope - first results from the fluxgate Magnetometer, Ann. Geophys., 19, 1439, 2001

Gurnett, D.A., R.L. Huff, J.S. Pickett, A.M. Persoon, R.L. Mutel, I.W. Christopher, C.A. Kletzing, U.S. Inan, W.L. Martin, J.-L. Bougeret, H. St. C. Alleyne, and K.H. Yearby, First results from the Cluster wideband plasma wave investigation, Ann. Geophys., 19, 1259, 2001

Gustafsson, G., M. André, T. Carozzi, A.I. Eriksson, C.-G. Fälthammar, R. Grard, G. Holmgren, J.A. Holtet, N. Ivchenko, T. Karlsson, Y. Khotyaintsev, S. Klimov, H. Laakso, P.-A. Lindqvist, B. Lybekk, G. Marklund, F. Mozer, K. Mursula, A. Pedersen, B. Popielawska, S. Savin, K. Stasiewicz, P. Tanskanen, A. Vaivads, J-E. Wahlund, First results of electric field and density observations by Cluster EFW based on initial months of operation, Ann. Geophys., 19, 1219, 2001

Horbury, T.S., P.J. Cargill, E.A. Lucek, A. Balogh, M.W. Dunlop, T.M. Oddy, C. Carr, P. Brown, A. Szabo, and K.-H. Fornaçon, Cluster magnetic field observations of the bowshock: Orientation, motion and structure, Ann. Geophys., 19, 1399, 2001

Kauristie, K., T.I. Pulkkinen, O. Amm, A. Viljanen, M. Syrjäsuo, P. Janhunen, S. Massetti, S. Orsini, M. Candidi, J. Watermann, E. Donovan, P. Prikryl, I. R. Mann, P. Eglitis, C. Smith, W. F. Denig, H.J. Opgenoorth, M. Lockwood, M. Dunlop, A. Vaivads, and M. André, Ground-based and satellite observations of high-latitude auroral activity in the dusk sector of the auroral oval, Ann. Geophys., 19, 1683, 2001

Klecker, B., Measurements of energetic particles in the radiation belts, in Space Storms and Space Weather Hazards, NATO SCIENCE SERIES: II: Mathematics, Physics and Chemistry, ed. by I.A. Daglis, 209-230, 2001

Krauklis, I., A.N. Fazakerley, C.J. Owen, P.J. Carter, M.W.Dunlop, A.J. Coates, S. Szita, M.G.G.T. Taylor, P. Travnicek, G. Watson, R.J. Wilson, Preliminary two-point observations of the mid-altitude cusp by Cluster PEACE and FGM, Ann. Geophys., 19, 1579, 2001

Liu, Z.X., Geospace double star exploration project, Chinese Journal of Geophysics-Chinese edition, 44 (4): 573-U2 Jul 2001

Lockwood, M., A. Fazakerley, H. Opgenoorth, J. Moen, A.P. van Eyken, M. Dunlop, J.-M. Bosqued, G. Lu, C. Cully, P. Eglitis, I.W. McCrea, M.A. Hapgood, M.N. Wild, R. Stamper, W. Denig, M. Taylor, J.A. Wild, G. Provan, O. Amm, K. Kauristie, T. Pulkkinen, A. Strømme, P. Prikryl, F. Pitout, A. Balogh, H. Rème, R. Behlke, T. Hansen, R. Greenwald, H. Frey, S.K. Morley, D. Alcaydé, P.-L. Blelly, E. Donovan, M. Engebretson, M. Lester, J. Watermann, and M.F. Marcucci, Coordinated Cluster and ground-based instrument observations of transient changes in the magnetopause boundary layer during an interval of predominantly northward IMF: relation to reconnection pulses and FTE signatures, Ann. Geophys., 19, 1613, 2001

Lockwood, M., H. Opgenoorth, A.P. van Eyken, A. Fazakerley, J.-M. Bosqued, W. Denig, J.A. Wild, C. Cully, R. Greenwald, G. Lu, O. Amm, H. Frey, A. Strømme, P. Prikryl, M.A. Hapgood, M.N. Wild, R. Stamper, M. Taylor, I. McCrea, K. Kauristie, T. Pulkkinen, F. Pitout, A. Balogh, M. Dunlop, H. Rème, R. Behlke, T. Hansen, G. Provan, P. Eglitis, S.K. Morley, D. Alcaydé, P.-L. Blelly, J. Moen, E. Donovan, M. Engebretson, M. Lester, J. Watermann, M. F. Marcucci, Coordinated Cluster, ground-based instrumentation and low-altitude satellite observations of transient poleward-moving events in the ionosphere and in the tail lobe, Ann. Geophys., 19, 1589, 2001

Lucek, E.A., M.W. Dunlop, T.S. Horbury, A. Balogh, P. Brown, P. Cargill, C. Carr, K. -H. Fornaçon, E. Georgescu, and T. Oddy, Cluster magnetic field observations in the magnetosheath: four-point measurements of mirror structures, Ann. Geophys., 19, 1421, 2001

Maksimovic, M., C.C. Harvey, O. Santolík, C. Lacombe, Y. de Conchy, D. Hubert, F. Pantellini, N. Cornilleau-Werhlin, I. Dandouras, E.A. Lucek, and A. Balogh, Polarisation and propagation of lion roars in the dusk side magnetosheath, Ann. Geophys., 19, 1429, 2001

Marklund, G.T., N. Ivchenko, T. Karlsson, A. Fazakerley, M. Dunlop, P.A. Lindqvist, S. Buchert, C. Owen, M. Taylor, A. Vaivalds, P. Carter, M. André and A. Balogh, Temporal evolution of the electric field accelerating electrons away from the auroral ionosphere, Nature, Vol. 414, No. 6865, pp. 724-727, 2001

Möbius, E., H. Kucharek, C. Mouikis, E. Georgescu, L.M. Kistler, M.A. Popecki, M. Scholer, J.M. Bosqued, H. Rème, C.W. Carlson, B. Klecker, A. Korth, G.K. Parks, J.C. Sauvaud, H. Balsiger, M.-B. Bavassano-Cattaneo, I. Dandouras, A.M. DiLellis, L. Eliasson, V. Formisano, T. Horbury, W. Lennartsson, R. Lundin, M. McCarthy, J.P. McFadden, and G. Paschmann, Observations of the spatial and temporal structure of field-aligned beam and gyrating ring distributions at the quasi-perpendicular bow shock with Cluster CIS, Ann. Geophys., 19, 1411, 2001

Moen, J., J.A. Holtet, A. Pedersen, B. Lybekk, K. Svenes, K. Oksavik, W.F. Denig, E. Lucek, F. Søraas, and M. André, Cluster boundary layer measurements and optical observations at magnetically conjugate sites, Ann. Geophys., 19, 1655, 2001

Newell, P.T., Space physics: Rhythms of the auroral dance, Nature, 414, 700-701, 2001, doi:10.1038/414700a

Opgenoorth, H.J., M. Lockwood, D. Alcaydé, E. Donovan, M.J. Engebretson, A.P. van Eyken, K. Kauristie, M. Lester, J. Moen, J. Waterman, H. Alleyne, M. André, M.W. Dunlop, N. Cornilleau-Wehrlin, A. Masson, A. Fazerkerley, H. Rème, R. André, O. Amm, A. Balogh, R. Behlke, P.L. Blelly, H. Boholm, E. Borälv, J.M. Bosqued, S. Buchert, M. Candidi, J.C. Cerisier, C. Cully, W.F. Denig, P. Eglitis, R.A. Greenwald, B. Jackal, J.D. Kelly, I. Krauklis, G. Lu, I.R. Mann, M.F. Marcucci, I.W. McCrea, M. Maksimovic, S. Massetti, P.M.E. Décréau, D.K. Milling, S. Orsini, F. Pitout, G. Provan, J.M. Ruohoniemi, J.C. Samson, J.J. Schott, F. Sedgemore-Schulthess, R. Stamper, P. Stauning, A. Strømme, M. Taylor, A. Vaivads, J.P. Villain, I. Voronkov, J.A. Wild, M. Wild, Coordinated ground-based, low altitude satellite and Cluster observations on global and local scales during a transient post-noon sector excursion of the magnetospheric cusp, Ann. Geophys., 19, 1367, 2001

Owen, C.J., A.N. Fazakerley, P.J. Carter, A.J. Coates, I.C. Krauklis, S. Szita, M.G.G.T. Taylor, P. Travnicek, G. Watson, R.J. Wilson, A. Balogh, and M.W. Dunlop, Cluster PEACE observations of electrons during magnetospheric flux, transfer events, Ann. Geophys., 19, 1509, 2001

Paschmann, G., J.M. Quinn, R.B. Torbert, H. Vaith, C.E. McIlwain, G. Haerendel, O.H. Bauer, T. Bauer, W. Baumjohann, W. Fillius, M. Förster, S. Frey, E. Georgescu, S.S. Kerr, C.A. Kletzing, H. Matsui, P. Puhl-Quinn, and E.C. Whipple, The Electron Drift Instrument on Cluster: overview of first results, Ann. Geophys., 19, 1273, 2001

Pedersen, A., P. Décréau, C.-P. Escoubet, G. Gustafsson, H. Laakso, P.-A. Lindqvist, B. Lybekk, A. Masson, F. Mozer, and A. Vaivads, Four-point high time resolution information on electron densities by the electric field experiments (EFW) on Cluster, Ann. Geophys., 19, 1483, 2001

Pitout, F., J.-M. Bosqued, D. Alcaydé, W.F. Denig, and H. Rème, Observations of the cusp region under northward IMF, Ann. Geophys., 19, 1641, 2001

Quinn, J.M., G. Paschmann, R.B. Torbert, H. Vaith, C.E. McIlwain, G. Haerendel, O. Bauer, T.M. Bauer, W. Baumjohann, W. Fillius, M. Foerster, S. Frey, E. Georgescu, S.S. Kerr, C.A. Kletzing, H. Matsui, P. Puhl-Quinn, and E.C. Whipple, Cluster EDI convection measurements across the high-latitude plasma sheet boundary at midnight, Ann. Geophys., 19, 1669, 2001

Rème, H., C. Aoustin, J.M. Bosqued, I. Dandouras, B. Lavraud, J.A. Sauvaud, A. Barthe, J. Bouyssou, Th. Camus, O. Coeur-Joly, A. Cros, J. Cuvilo, F. Ducay, Y. Garbarowitz, J.L. Medale, E. Penou, H. Perrier, D. Romefort, J. Rouzaud, C. Vallat, D. Alcaydé, C. Jacquey, C. Mazelle, C. dOUston, E. Möbius, L.M. Kistler, K. Crocker, M. Granoff, C. Mouikis, M. Popecki, M. Vosbury, B. Klecker, D. Hovestadt, H. Kucharek, E. Kuenneth, G. Paschmann, M. Scholer, N. Sckopke, E. Seidenschwang, C.W. Carlson, D.W. Curtis, C. Ingraham, R.P. Lin, J.P. McFadden, G.K. Parks, T. Phan, V. Formisano, E. Amata, M.B. Bavassano-Cattaneo, P. Baldetti, R. Bruno, G. Chionchio, A. Di Lellis, M.F. Marcucci, G. Pallocchia, A. Korth, P.W. Daly, B. Graeve, H. Rosenbauer, V. Vasyliunas, M. McCarthy, M. Wilber, L. Eliasson, R. Lundin, S. Olsen, E.G. Shelley, S. Fuselier, A.G. Ghielmetti, W. Lennartsson, C.P. Escoubet, H. Balsiger, R. Friedel, J-B. Cao, R. A. Kovrazhkin, I. Papamastorakis, R. Pellat, J. Scudder, and B. Sonnerup, First multispacecraft ion measurements in and near the Earth's magnetosphere with the identical Cluster ion spectrometry (CIS) experiment, Ann. Geophys., 19, 1303, 2001

Rezeau, L., F. Sahraoui, E. dOHumières, G. Belmont, T. Chust, N. Cornilleau-Wehrlin, L. Mellul, O. Alexandrova, E. Lucek, P. Robert, P. Décréau, P. Canu, and I. Dandouras, A case study of low-frequency waves at the magnetopause, Ann. Geophys., 19, 1463, 2001

Sauvaud, J.-A., R. Lundin, H. Rème, J.P. McFadden, C. Carlson, G.K. Parks, E. Möbius, L.M. Kistler, B. Klecker, E. Amata, A.M. DiLellis, V. Formisano, J.M. Bosqued, I. Dandouras, P. Décréau, M. Dunlop, L. Eliasson, A. Korth, B. Lavraud, M. McCarthy, Intermittent thermal plasma acceleration linked to sporadic motions of the magnetopause, first Cluster results, Ann. Geophys., 19, 1523, 2001

Szita, S., A.N. Fazakerley, P.J. Carter, A.M. James, P. Trávnícek, G. Watson, M. André, A. Eriksson, K. Torkar, Cluster PEACE observations of electrons of spacecraft origin, Ann. Geophys., 19, 1721, 2001

Taylor, M.G.G.T., A. Fazakerley, I.C. Krauklis, C.J. Owen, P. Travnicek, M. Dunlop, P. Carter, A.J. Coates, S. Szita, G. Watson, R.J. Wilson, Four point measurements of electrons using PEACE in the high-altitude cusp, Ann. Geophys., 19, 1567, 2001

Torkar, K., W. Riedler, C.P. Escoubet, M. Fehringer, R. Schmidt, R.J.L. Grard, H. Arends, F. Rüdenauer, W. Steiger, B.T. Narheim, K. Svenes, R. Torbert, M. André, A. Fazakerley, R. Goldstein, R.C. Olsen, A. Pedersen, E. Whipple, and H. Zhao, Active spacecraft potential control for Cluster implementation and first results, Ann. Geophys., 19, 1289, 2001

Trotignon, J.G., P.M.E. Décréau, J.L. Rauch, O. Randriamboarison, V. Krasnoselskikh, P. Canu, H. Alleyne, K. Yearby, E. Le Guirriec, H. C. Séran, F.X. Sené, Ph. Martin, M. Lévêque, and P. Fergeau, How to determine the thermal electron density and the magnetic field strength from the Cluster/Whisper observations around the Earth, Ann. Geophys., 19, 1711, 2001

Wild, J.A., S.W.H. Cowley, J.A. Davies, H. Khan, M. Lester, S.E. Milan, G. Provan, T.K. Yeoman, A. Balogh, M. W. Dunlop, K.-H. Fornaçon, E. Georgescu, First simultaneous observations of flux transfer events at the high-latitude magnetopause by the Cluster spacecraft and pulsed radar signatures in the conjugate ionosphere by the CUTLASS and EISCAT radars, Ann. Geophys., 19, 1491, 2001

Wilken, B., P.W. Daly, U. Mall, K. Aarsnes, D.N. Baker, R.D. Belian, J.B. Blake, H. Borg, J. Büchner, M. Carter, J.F. Fennell, R. Friedel, T.A. Fritz, F. Gliem, M. Grande, K. Kecskemety, G. Kettmann, A. Korth, S. Livi, S. McKenna-Lawlor, K. Mursula, B. Nikutowski, C.H. Perry, Z.Y. Pu, J. Roeder, G.D. Reeves, E.T. Sarris, I. Sandahl, F. Søraas, J. Woch, and Q.-G. Zong, First results from the RAPID imaging energetic particle spectrometer on board Cluster, Ann. Geophys., 19, 1355, 2001