Mittal, K M .
Biogas systems:Principles and applications / - New Delhi : New Age International Ltd , 1996. - 412 ; .
20200-01 Scheme
81 224 0947 4
621.47 / MIT/BI
Biogas systems:Principles and applications / - New Delhi : New Age International Ltd , 1996. - 412 ; .
20200-01 Scheme
81 224 0947 4
621.47 / MIT/BI