TY  - BOOK
AU  - Subramanian S K
TI  - Biogas systems in Asia
T2  - Management Development Institute, Monographs .2
U1  - X9(G:35).4.N7, L7 
PY  - 1977///
CY  -  New Delhi 
PB  - Management Development Institute India      
KW  - Biogas Industry
N1  - Appedndix: P 131-46
ER  -