TY - JOUR A1 - Subbarao, K. S. V. A1 - Krishna Murthy, B. V. T1 - Seasonal variations of equatorial spread-F JO - Ann. Geophys. J1 - ANGEO VL - 12 IS - 1 SP - 33 EP - 39 Y1 - 1994/01/31 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/12/33/1994/ L1 - https://angeo.copernicus.org/articles/12/33/1994/angeo-12-33-1994.pdf DO - 10.1007/s00585-994-0033-4 ER -