TY  - BOOK
AU  - Rai, G. D.
TI  - Non-conventional energy sources
U1  - 621.3124 
PY  - 1989///
CY  - Khanna
PB  - Delhi
KW  - Energy conservation
KW  - Energy resources
KW  - Energy supply
KW  - Solar energy
N1  - Includes index
ER  -