Trace element studies in the major tertiary and gondwama coalfields of India / 
K. N. Mukherjee...[et al] 
 - Calcutta :  Govt. Press,  1982 
 - 115 p. :  map ;  27 cm. 
 - Bulletins of the geological survey of India ;  no. 49 .
<br/><br/><label>ISBN: </label> Rs. 18.60 
<br/><br/><label>Dewey Class. No.: </label>553.2