TY - SER ED - Indian Institute of Geomagnetism, Colaba, Bombay TI - Indian Institute of Geomagnetism: annual report 1971-72 U1 - 538.7 PY - 0000///[n.d.] CY - Bombay PB - Indian Institute of Geomagnetism KW - Geomagnetism KW - India KW - Periodicals N1 - Library has : 1971-1972, 1972-73, 1973-74,1974-75, 1975-76, 1976-77, 1977-78, 1978-79, 1980-81, 1981-82, 1982-83, 1983-84, 1984-85, 1985-86, 1986-87, 1987-88, 1988-89, 1989-90, 1990-91 ER -