00957cam a22002531 4500 sa 64001397 DLC 20260227112002.0 850326s1962 ii ab f100 0 eng sa 64001397 PL480:I-E-1571 DLC/ICU ICU DLC QE501 .S895 1961 Symposium on Geophysics in Relation to Geological Problems (1961 : Calcutta, India) Proceedings. New Delhi, National Institute of Sciences of India, 1962. 134 p. maps (part fold.) diagrs., tables. 25 cm. National Institute of Sciences of India. Bulletin, no. 22 Symposium organized by the National Institute of Sciences of India. Geophysics. Prospecting Geophysical methods. National Institute of Sciences of India. Bulletin of the National Institute of Sciences of India ; no. 22. 56727 56727