000 00373 a2200133 4500
245 1 _aResults of co-operative hybrid maize tests in Europe - 1949 : A progress report
260 _aWashington
_c1950
650 _aMaize Tests
100 _a
_d
300 _a33 p.
440 _aNo. 7
_vFood and Agriculture Organization of the United Nat
942 _2udc
_cB
901 _a38152
999 _c52995
_d52995