Lichtman, robert Jon.
Biogas systems in India / by Robert Jon Lichtman ; illustrations by William Gensel. - USA : Volunteers in Technical Assistance (VITA), 1983. - v, 130 p. : ill. - Renewable energy series. .
0866191674
Agricultural wastes as fuel.
Biogas.
Manures
Biogas systems in India / by Robert Jon Lichtman ; illustrations by William Gensel. - USA : Volunteers in Technical Assistance (VITA), 1983. - v, 130 p. : ill. - Renewable energy series. .
0866191674
Agricultural wastes as fuel.
Biogas.
Manures