Frankel. P.H. <br/><br/>
Essentials of petroleum :  A key to oil economics / 
P.H. Frankel with a foreword by M.A. Adelman 
 - London :  Frank Cass,  1969 
 - 188 p. ;  22 cm. 
<br/><br/>Includes indexes Bibligraphy : p. 187-188 
<br/><br/><label>ISBN: </label>0714612200