Francis, Wilfrid <br/><br/>
Coal:   Its formation and composition 

 - London:   Edward Arnold (Publishers) Ltd.,   1961 
 - viii, 806p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technology
<br/><br/><label>Subjects--Index Terms: </label>Coal 
<br/><br/><label>Universal Decimal Class. No.: </label>662.62/.69   / K1