TY - JOUR A1 - Rastogi, R. G. T1 - Signatures of storm sudden commencements in geomagnetic H, Y and Z fields at Indian observatories during 1958−1992 JO - Ann. Geophys. J1 - ANGEO VL - 17 IS - 11 SP - 1426 EP - 1438 Y1 - 1999/11/30 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/17/1426/1999/ L1 - https://angeo.copernicus.org/articles/17/1426/1999/angeo-17-1426-1999.pdf DO - 10.1007/s00585-999-1426-1 ER -