31 Oct 1999
The Earth's passage of the April 11, 1997 coronal ejecta: geomagnetic field fluctuations at high and low latitude during northward interplanetary magnetic field conditions
Ann. Geophys., 17, 1245–1250, 1999
31 Oct 1999
Collisionless electrons in a thin high Mach number shock: dependence on angle and b
Ann. Geophys., 17, 1251–1259, 1999
31 Oct 1999
Ring current influence on auroral electrojet predictions
Ann. Geophys., 17, 1268–1275, 1999
31 Oct 1999
How does the U-shaped potential close above the acceleration region? A study using Polar data
Ann. Geophys., 17, 1276–1283, 1999
31 Oct 1999
Non-magnetic aspect sensitive auroral echoes from the lower E region observed at 50 MHz
Ann. Geophys., 17, 1284–1292, 1999
31 Oct 1999
Changes of the first Schumann resonance frequency during relativistic solar proton precipitation in the 6 November 1997 event
Ann. Geophys., 17, 1293–1297, 1999
31 Oct 1999
On the possible role of cusp/cleft precipitation in the formation of polar-cap patches
Ann. Geophys., 17, 1298–1305, 1999
31 Oct 1999
Observations of the response time of high-latitude ionospheric convection to variations in the interplanetary magnetic field using EISCAT and IMP-8 data
Ann. Geophys., 17, 1306–1335, 1999
31 Oct 1999
Trends in the characteristics of the annual and semiannual variations observed in the radio wave absorption in the lower ionosphere
Ann. Geophys., 17, 1336–1343, 1999
31 Oct 1999
Stratospheric background aerosol and polar cloud observations by laser backscattersonde within the framework of the European project "Stratospheric Regular Sounding"
Ann. Geophys., 17, 1352–1360, 1999