Banerjee, A.  _ <br/><br/>
Ninth International coal preparation congress 

 - New Delhi  Indian Organizing Committee  1984 
 - 2v,  HB  27 cm.  various paging 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Technology<br/>International Coal<br/>Coal conference<br/>Conference 9th Coal<br/>Technical papers--Coal
<br/><br/><label>Dewey Class. No.: </label>662.62  / BAN