Technology in Indian coal washery industry :  a status report prepared under the national rejister of foreign collaborations / 
Department of Scientific and Industrial Research, Ministry of Science and Technilogy, New Delhi (India) 
 - New Delhi :  Author ,  1991 
 - xii, 164 p. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal washing--India<br/>Coal cleaning--Technological innovations--India
<br/><br/><label>Dewey Class. No.: </label>662.62