Ray, S. <br/><br/>
A decde (1963 - 72) of science in India :  progress of Geology / 
S. Ray , Indian National Science Academy 
 - Calcutta :  Indian National Science Academy,  1972 
 - viii, 130 p. ;  25 cm. 
<br/><br/><label>ISBN: </label> Rs. 4.50(pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--History--India
<br/><br/><label>Dewey Class. No.: </label>509.54