00296nam a2200109Ia 4500082002300000100002200023245006100045260005600106300001400162500000500176700000500181  a309.10954bC495.FY  aChatterjee, S. P.  aFifty years of science in India; progress of geographyb  aCalcuttabIndian Science Congress Associationc1964  aiv, 277p.  a  a