Whitaker, J. W. <br/><br/>
Studies in coal eashability :  studies 7,8 and 9 / 
J. Whitaker and G. G. Sarkar 
 - Jealgora :  Fuel Research Institute ,  1953 
 - 14 p. ;  24 cm 
 - Publication/fuel research institute ;  no 69 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal washing<br/>Coal--India
<br/><br/><label>Dewey Class. No.: </label>662.623