00422nam a2200169Ia 4500008004100000020001500041082001600056100001700072245003000089260003600119300000800155650001800163650002400181653001800205653001200223700001700235170901s1972    xx            000 0 und d  a3540057854  a595.7bU-6B  aUrsprung, H. 0aBiology of Imaginal Disks  aNew YorkbSpringer verlagc1972  a172  aPure Sciences  aZoological sciences  aImaginal disk  aInsects  aNothiger, R.