Proceedings of the symposium on the nature of coal 
/ The Central Fuel Research Institute 
 - Jealgora:   The Central Fuel Research Institute,   1959 
 - viii, 321p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technology
<br/><br/><label>Subjects--Index Terms: </label>Coal 
<br/><br/><label>Universal Decimal Class. No.: </label>662.642(082.2)  / J9