 |  | Criteria for the Dissemination of Biogas Plants for Agricultural Farm and Household Systems (GTZ, 1993, 25 p.) | ||
 |  | (introduction...) | ||
| | 1. Preface | ||
|  | 2. Biogas technology | ||
| | 3. The biogas dissemination programme | ||
| | 4. Selected case studies | ||
| | 5. The project | ||
| | 6. Criteria | ||
| | 7. Data collection | ||
| | 8. Selected literature | ||
