Biogas : what it is, how it is made, how to use it.
| Language: | English |
|---|---|
| Published: |
Rome, Italy:
Food and Agriculture Organization of the United Nations,
1984.
|
| Series: | Better farming series
Economic and social development series |
| Subjects: |
| Physical Description: | 52p.: ill.; 21cm. |
|---|---|
| ISBN: | 9251012903 |