TY  - BOOK
AU  - Ehrlich, Robert
TI  - Renewable energy: a first course
SN  - 9781439861158
U1  - 333.794 
PY  - 2013///
CY  - Boca Raton
PB  - CRC Press
KW  - SOIL CONTENT ANALYSIS
KW  - ENERGY OPTIONS
KW  - RENEWABLE ENERGY
UR  - https://opac.lib.ruh.ac.lk/cgi-bin/koha/opac-retrieve-file.pl?id=2886b0f1beda976c54170df424713f67
ER  -