Petroleum systems Reliability analysis / 
J. E. Ritchie, [et al.] 
 - Washington, D.C. :  United States Government Printing Office,  1973 
 - Various pagings ;  28 cm. 
 - Environmental Protection Technology Sereis ;  no. EPA-R2-73-280A .
<br/><br/> EPA-R2-73-280A 
<br/><br/>Vol.1 Engineering Report 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering--Wastes
<br/><br/><label>Dewey Class. No.: </label>628.16833