Proceedings :  Eastern regional meeting 8-9 november, 1994, chasleston, w.v 

 - 391 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petróleo--Congresos<br/>Gas natural--Congresos
<br/><br/><label>LC Class. No.: </label>TP690.A1  / E37 1994