00783nam a2200145Ia 4500008004100000040001700041082002200058110002900080245017800109260004700287300002100334440006500355500015000420650006700570190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta555.4bI39P  aIndia. Geological Survey 0aProceedings of a symposium on exploration geophysics in Indiab1945-1978, Calcutta: a collection of papers presented at the symposium held on 21-24 November 1978 in Calcutta  aCalcuttabGeological Survey of Indiac1983  av2 (v, 308-706p)  aGeological survey of India special publication series; no. 2  aContents: v.2. (Section 4-6). Geophysical methods and techniques, instrumentation, other geophysical application and physical properties of rocks  aGeophysics-India; Geophysical instruments-India; Physics-India