登入選單
返回Google圖書搜尋
A Biometrical Study of Egg Production in the Domestic Fowl: Variation and correlation in the physical characters of the egg
Raymond PearlFrank Macy Surface
出版U.S. Department of Agriculture, Bureau of Animal Industry, 1914
URLhttp://books.google.com.hk/books?id=wHNIAQAAMAAJ&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN