TY - BOOK AU - Thakur, Pranali Laxman TI - Interplanetary conditions during extreme geomagnetic storms (SYM - H < -200nT) and its association with cosmic rays PY - 2022/// CY - Mumbai PB - IIG N1 - Dissertation report as a part of Ph.D course work under the guidance of Prof. Geeta Vichare ER -