Chemistry of coal utilization. 

 - New York :  J.Wiley,  1945. 
 - 2 v. :  il. ;  21,5 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Substancias útiles<br/>Carbón<br/>Combustibles
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>662.66