TY  - BOOK
AU  - Ahuja, Dilip R.
TI  - National energy data systems
SN  - 8170221560 (ISBN13: 9788170221562)
U1  - G333.79 AHU 
PY  - 1983///
CY  - Delhi
PB  - Concept Publishing Company
UR  - /cgi-bin/koha/opac-retrieve-file.pl?id=7ecb358657d76e9e41edba930b6023f3
ER  -