TY - BOOK ED - United States TI - Avian anatomy: integment T2 - Agriculture handbook PY - 1972/// CY - Washington PB - U.S. Agricultural Research Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off. KW - Birds KW - Anatomy KW - Local KW - Skin N1 - Include bibliographical references ER -