00299nam a2200109Ia 4500008004100000040003800041100002100079245002800100250000800128260004100136300001200177211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aDarlington , C D 0aHandling of chromosomes  a1st  bGeorge allen and UnwinaLondonc1976  a263p p.