| 其他書名 | A Positive Way Forward for the Grassland Farmer : Proceedings of the British Grassland Society Winter Meeting Held at Great Malvern, Worcestershire, 25-26 November 1991 |
| 出版 | British Grassland Society, 1992 |
| ISBN | 09059441869780905944180 |
| URL | http://books.google.com.hk/books?id=lEkjAQAAMAAJ&hl=&source=gbs_api |