| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| Induced Innovation and Productivity-Enhancing, Resource-Conserving Technologies in Central America: The Supply of Soil Conservation Practices and ... / Série 5: Sciences économiques, Band 3041) | 978-3-631-5197O-7 (3-631-5197O-2) | 2004 |