Basak, P.K <br/><br/>
Indian Coals; qaulity evaluation data Vol. 7 Kamptee, Umrer, Bandar, Wardha Valley and Godavari Valley coalfields 

 - Dhanbad  CFRI  1981 
 - xvi+358p 
<br/><br/><label>Universal Decimal Class. No.: </label>662.62(540)  / CEN,7,81