TY  - GEN
AU  - Ra , G.D.
AU  -  
TI  - Non-convntional  sources of energy: a text book for Engineering students
U1  - 530.11 
PY  - 1989///
CY  - New Delhi
PB  - Khanna 
KW  - CHEMICAL ENERGY
KW  - SOLAR ENERGY
KW  - WIND ENERGY
KW  - ENERGY FROM BIOMASS
KW  - GEOTHERMAL ENERGY
KW  - ENGINEERING
KW  - ENERGY FROM THE OCEANS
KW  - HYDROGEN ENERGY
ER  -