Oil:   Natural gas -Petrochemistry in Rumania 

 - Bucharest:   Meridiane Publishing House,   1964 
 - 146p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technology
<br/><br/><label>Subjects--Index Terms: </label>Natural gas Petrochemistry 
<br/><br/><label>Universal Decimal Class. No.: </label>662.765  / K4