Sengbush, R. L. (Roy L.), 1921- <br/><br/>
Petroleum exploration  a quantitative introduction 
R. L. Sengbush 
 - Boston, Mass.  International Human Resources Development Corp.  1986 
 - xii, 233 p. : ill. ; 23 cm. 
<br/><br/><label>ISBN: </label>088746047X 
<br/><br/><label>LCCN: </label>85-08207 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Geology<br/>Gas, Natural--Geology<br/>Prospecting--Geophysical methods