http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nguyên lý về chọn lọc và nhân giống gia súc
Boritchenko, Trần Doãn Hối, Đinh Kim Oanh
animal breeding,animal culture,animal genetics,heredity