TY  - GEN
AU  - Sawhney,G.S.
TI  - Non�onventional energy resources
SN  - 9788120346093 (pbk.)
AV  - TJ807.9.I4 K38 2007
U1  - 621.0420 
PY  - 2012///
CY  - New Delhi
PB  - PHI Learning
KW  - Renewable energy resources
N1  - Includes bibliography & index
ER  -