Manuel Carrales <br/><br/>
Sulfur content of cryfe oils / 
M. Carrales and R. W. Martin 
 - Washington, D. C. :  U. S. Government Printing Office,  1975 
 - 61 p. :  ill. ;  27 cm. 
 - Information circular 8676 United States. Bureau of Mines. Information circular ;  8312. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal--United States<br/>Coal--Analysis<br/>Sulfur
<br/><br/><label>Dewey Class. No.: </label>553.240973