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 |