TY  - BOOK
AU  - Uren,Lester Charles
TI  - Petroleum production engineering: petroleum production economics 
AV  - TN870 .U7 1950
U1  - 665.5 
PY  - 1950///
CY  - New York, London
PB  - McGraw-Hill book company, inc.
KW  - Petroleum engineering
N1  - Includes bibliographical references and index
N2  - This book has for its objective, an elementary exposition of the principal divisions of economics and business administration and their applications to the specific problems of the petroleum and natural-gas industries
ER  -