ANNUAL VARIATION IN NEAR-EARTH SOLAR-WIND SPEED - EVIDENCE FOR PERSISTENT NORTH-SOUTH ASYMMETRY RELATED TO SOLAR MAGNETIC POLARITY (VOL 25,PG 841, 1998)
B. Zieger et K. Mursula, ANNUAL VARIATION IN NEAR-EARTH SOLAR-WIND SPEED - EVIDENCE FOR PERSISTENT NORTH-SOUTH ASYMMETRY RELATED TO SOLAR MAGNETIC POLARITY (VOL 25,PG 841, 1998), Geophysical research letters, 25(14), 1998, pp. 2653-2653