TY - JOUR A1 - Ramesh, K. B. A1 - Sastri, J. H. T1 - Solar cycle and seasonal variations in F-region vertical drifts over Kodaikanal, India JO - Ann. Geophys. J1 - ANGEO VL - 13 IS - 6 SP - 633 EP - 640 Y1 - 1995/06/30 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/13/633/1995/ L1 - https://angeo.copernicus.org/articles/13/633/1995/angeo-13-633-1995.pdf DO - 10.1007/s00585-995-0633-7 ER -