TY - BOOK AU - Atia,Khalil Abdel Galil Mohamed TI - Genetical studies on ducks PY - 1997/// KW - Ducks KW - Poultry KW - Genetics KW - Genetic engineering N1 - Thesis (M.A.)-- Tanta University, 1997; Includes bibliographical references (leaves 106-117); Microfiche.Cairo, Egypt :ASUNET, 3 microfiches:negative ER -