000 00315nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a633.1
_bJUG
100 _aJUGENHEIMER, Robert W
245 0 _aCorn: Improvement seed production and uses
260 _aNew York
_bJohn Wiley
_c1976
650 _aCorn
942 _cBK
999 _c24979
_d24979