Proceedings :  Eastern Regional Meeting, 22-24 october 1997, Lexington, Kentucky 

 - 187 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 1997