TY  - BOOK
AU  - Mital, K.M.
TI  - Biogas systems: policies, progress and prospects 
SN  - 8122411045
U1  - 665.776 MIT 
PY  - 1997///
CY  - New Delhi
PB  - New age international
KW  - Biogas
N1  - BIB
ER  -