| 其他書名 | The Potential of Urine for Supplementing and Upgrading Low Quality Roughages for Ruminants and for Use as Fertilizer : Proceedings of a Workshop Held at Agricultural University of Norway, 17 September 1993 |
| 出版 | Norwegian Centre for International Agricultural Development, 1993 |
| URL | http://books.google.com.hk/books?id=1dsqAQAAMAAJ&hl=&source=gbs_api |