TY  - GEN
AU  - Rai, G.D.
TI  - Non-Conventional Energy sources
U1  - 621.3745 
PY  - 1994///
CY  - New Delhi
PB  - Khanna Publishers, 
KW  - Energy sources
KW  - Non�onventional energy sources
N1  - Includes references & index
ER  -