000 00374nam a2200145Ia 4500
008 180413s9999 xx 000 0 und d
020 _a0891180435 Pbk)
100 _aSprague G F
245 0 _aCorn And Corn Improvement
260 _bMadison : Asa 1977.
300 _a774
546 _aEng
690 _aCorn ; Breeding ; Genetics ; Production ; Diseases.
942 _e3rd
999 _c14886
_d14886