TY  - BOOK
AU  - Vyas, S K (Ed.)
AU  - Sandhar, N S (Ed.)
TI  - Biogas technology problems and prospects: : Proceedings of the national workshop on biogas technology
PY  - 1987///
CY  - Ludhiana: 
PB  - U S G Publishers & Distributors, 
KW  - Chemical technology
KW  - Biogas
ER  -