TY  - BOOK
AU  - Chawla, O.P.
TI  - Advances in biogas technology
U1  - 665.776 21st ed.
PY  - 1986///
CY  - New Delhi
PB  - Indian Council of Agricultural Research
KW  - Biogas
KW  - Biogas industry
KW  - Energy industries
ER  -