Ebel Robert E <br/><br/>
Petroleum industry of the soviet union 

 -  1961 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum Industry
<br/><br/><label>Dewey Class. No.: </label>X9(F555).58.N6, K1