TY  - BOOK
AU  - Vyas,  S K (Ed.)
AU  - Sandhar, N S (Ed.)
AU  - Duggal, K N (Ed.)
TI  - Biogas technology: : Problems and Prospects
PY  - 1987///
CY  - Ludhiana: 
PB  - USG Publishers & Distributors, 
KW  - Chemical technology
KW  - Biogas
ER  -