00373nam a22001097a 4500008004100000040005500041080002500096245005500121260005700176650001500233653001500248230512b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a553.3.001.5(540)bL2  aTwenty-five years of geophysical research in India  aNew Delhi: bIndian National Science Academy, c1973  aGeophysics  aGeography