TY  - BOOK
AU  - Barcella, Mary Lashley
TI  - The cost structure and efficiency of natural gas distributio
U1  - 338.4561553285/BAR 
PY  - 1992///
CY  - Ann Arbor
PB  - UMI
KW  - Gas industry--Costs
KW  - Production economics
KW  - Economics
N1  - Thesis submitted to University of Maryland college park
ER  -