| 其他書名 | Proceedings of the 12th Symposium of the European Grassland Federation, Pleven, Bulgaria, 26-28 May 2003 |
| 出版 | Organising committee of the 12th symposium of the European grassland federation, 2003 |
| ISBN | 95484565409789548456548 |
| URL | http://books.google.com.hk/books?id=UEfZAQAACAAJ&hl=&source=gbs_api |