00554nam a2200169Ia 4500008004100000082001300041100002800054245003000082260006000112300001400172490005000186600002200236650000900258942000700267952009300274999001700367140224s9999    xx            000 0 und d  a633.1 L7  aSprague, George F., ed.  aCorn and corn improvement  aMadison (Wisconsin)bAmerican Society of Agronomyc1977  axvi,774p.  aAmerican Society of Agronomy; agronomy; no.18  aGeorge F. Sprague  aCorn  cBK  00104070aKSDbKSDd2014-02-24l0o633.1 L7p1787r2014-02-24 00:00:00w2014-02-24yBK  c92409d92409