00517nam a2200205Ia 4500008004100000041001200041082001000053082001100063100001700074100001100091245004700102260001300149260002000162260000900182300001500191365002500206440004900231650001700280650001400297150909s9999    xx            000 0 und d  aEnglish  a574.8  bBEE/DE  aBeermann W    eEditor  aDevelopmental studies on giant chromosomes  aNew York  bSpringer Verlag  c1972  a227  Pages  aRs.77.66              aResults and problems in cell defferentiation  aCell biology  aHistology