Hamak, John E. <br/><br/>
Analyses of natural gases, 1992 

 - Washington :  U.S. Dept. of the Interior, Bureau of Mines,  1993 
 - 62 p. :  il. 
 - Information circular  ; 9356 .
<br/><br/>Incluye bibliografía 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GAS NATURAL--ANALISIS--EE.UU<br/>HELIO--EE.UU
<br/><br/><label>Dewey Class. No.: </label>553.971  / H198