TY  - BOOK
AU  - Rai, G. D.
TI  - Non-Coventional sources of energy
U1  - 621.3124 
PY  - 1994///
CY  - Delhi
PB  - Khanna
KW  - Energy conservation
KW  - Energy resources
KW  - Energy supply
KW  - Solar energy
ER  -