| 其他書名 | Proceedings of an International Meeting Held at Nieuwersluis, the Netherlands, May 29-31, 1972 |
| 出版 | Centre for Agricultural Publishing and Documentation, 1975 |
| ISBN | 90220055269789022005521 |
| URL | http://books.google.com.hk/books?id=_PbwAAAAMAAJ&hl=&source=gbs_api |