00433nam a2200181Ia 4500008004100000041001200041082001100053082001100064100001700075100001100092245003100103260001200134260003500146260000900181300001500190365002500205650002100230150901s9999    xx            000 0 und d  aEnglish  a631.53  bJEN/PL  aJensen N.F    eAuthor  aPlant breeding methodology  aNewyork  bWiley-Interscience Publication  c1988  a676  Pages  aRs.52.50              aCrop improvement