| 其他書名 | U.S. Trends, Breeding, and Progress Since 1980 |
| 出版 | Hoard's Dairyman Books, 1995 |
| 主題 | Technology & Engineering / Agriculture / GeneralTechnology & Engineering / Agriculture / Animal Husbandry |
| ISBN | 09321472679780932147264 |
| URL | http://books.google.com.hk/books?id=wwzdTLkobfIC&hl=&source=gbs_api |
| EBook | SAMPLE |