Frezon, Sherwood Earl  1921- <br/><br/>
Summary of 1972 oil and gas statistics for onshore and offshore areas of 151 countries / 
by Sherwood E. Frezon. 
 -- Washington :   United States Government Printing Office,   1974 
 - 163 p. -- 
 (Geological Survey Professional Paper  ; 885).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas natural
<br/><br/><label>Universal Decimal Class. No.: </label>622.324