TY - BOOK AU - Rajaram, Mita TI - Identification of variations associated with the sun and their use in some geophysical studies PY - 1983/// CY - Bombay PB - IIG KW - SunGeophysical Variations N1 - A Thesis submitted for the degree of Doctor of Philosophy of the University of Bombay under the guidance of Professor B. P. Singh, Indian Institute of Geomagnetism, Mumbai ER -