TY  - GEN
AU  - Nijaguna, B T1024
TI  - Biogas technology
SN  - 8122412803
U1  - 662.767.2 
PY  - 2002///
CY  - New Delhi
PB  - New Age International
KW  - Rendwable energy technology1025
KW  - 662.767.2
ER  -