00434nam a2200145Ia 4500008004100000082001700041100002300058245003500081260001700116300001000133650002100143942000700164952010000171999001700271140113s9999    xx            000 0 und d  a633.001.7 M4  a" Simmonds, N. W."  aPrinciples of crop improvement  b"ELBS, 1984"  a408p.  aCrop improvement  cBK  00104070aKYMbKYMd2014-01-13l0o633.001.7 M4pKBK3045r2014-01-13 00:00:00w2014-01-13yBK  c63760d63760