TY  - BOOK
AU  - Mital, K. M. 
TI  - Biogas systems : principles and applications
SN  - 9788122409475
U1  - 665.776 M6919b 
PY  - 1996///
CY  - New Delhi
PB  - New Age International
KW  - Biogas
KW  - Biogas technology
KW  - Application
ER  -