Coal preparation / B. B. Konar... [et al.] ; edited by Samir Sen [and] K. S. Narasimhan - New Delhi : Allied Publisher, c1997 - xii, 217 p. : ill. ; 25 cm. ISBN: 8170236002 : Rs. 450.00 Subjects--Topical Terms: Coal preparation--Periodicals Dewey Class. No.: 662.62