TY - BOOK AU - Jugenheimer R W AU - Food And Agriculture Organization ED - Food And Agriculture Organization TI - Co-operative hybrid maize tests in European and Mediterranean countries T2 - "Its, Development Paper. 31" U1 - "X9(J385).5.N5, J2/UN" PY - 1952/// CY - Italy PB - The Author KW - Agriculture Industry - Wheat ER -