000 00311nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a575:631.52:633
_bPOE
100 _aPOEHLMAN, John Milton
245 0 _aBreeding field crops
260 _aWestport
_bAvi
_c1977
650 _aField crops breeding
942 _cBK
999 _c27379
_d27379