其他書名 | Digest of Laws and Regulations Affecting the Sale of Hatching Eggs, Chicks and Poults |
出版 | United States Department of Agriculture, Agricultural Research Service, Animal and Poultry Husbandry Research Branch, 1956 |
URL | http://books.google.com.hk/books?id=2OF10AEACAAJ&hl=&source=gbs_api |