Annual report,1979. 

 - Austria  Organization of the petroleum Exporting Countries       1979 
 - 221p.  cm. 
<br/><br/> Appendix :143-184p. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(F555).8.N80<N79r, M0