00468nam a2200169Ia 450000500170000000800410001702000170005804100080007508200110008310000110009424500300010526400290013530000170016452000970018165000060027865500140028420260731111955.0260731s9999    xx            000 0 und d  a066960059113  aeng  a611.7 1 aRoylco10aTrue to life human X-rays  aCanadabRoylco Incc2004  a- hlm.c0 cm  aTeaching aid.  Explore the skeleton of a virtual person with x-rays that look and feel real! 4a0  aGrade 1-6