TY  - BOOK
AU  - McDonald,Stephen L.
TI  - Petroleum conservation in the United States : : an economic analysi s / 
SN  - 0801812615
U1  - 333.823 MACD 
PY  - 1971///
CY  - Future : 
PB  - Johns Hopkins Press, 
KW  - Petroleum conservation
KW  - United States
KW  - Mineral resources Conservation/z United States
ER  -