TY  - BOOK
AU  - Julius ,DeAnne
AU  - Mashayekhi,Afsaneh
TI  - the economics of natural gas:pricing ,planning and policy 
SN  - 0197300111
AV  - HD9560.5 .J8
PY  - 1990///
CY  - Oxford university press
PB  - New York
N1  - includes index
ER  -