Gutierrez Contreras, Mario <br/><br/>
Quimica del petroleo 
Mario Gutierrrez Contreras 
 - 332p. 
<br/><br/> BIBLIOTECA: UACH-FING 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleo
<br/><br/><label>Dewey Class. No.: </label>547.01  / GUT 1963