000 00449nam a2200157Ia 4500
008 140224s9999 xx 000 0 und d
082 _a633.1 L7
100 _aSprague, George F., ed.
245 _aCorn and corn improvement
260 _aMadison (Wisconsin)
_bAmerican Society of Agronomy
_c1977
300 _axvi,774p.
490 _aAmerican Society of Agronomy; agronomy; no.18
600 _aGeorge F. Sprague
650 _aCorn
942 _cBK
999 _c92409
_d92409