TY  - BOOK
AU  - Steeby,Donald
TI  - Alternative energy: sources and systems 
SN  - 9788131518694
U1  - 621.042 
PY  - 2012///
CY  - New Delhi
PB  - Cengage Learning
KW  - Renewable energy sources
UR  - http://www.loc.gov/catdir/enhancements/fy1215/2011921378-t.html
ER  -