00281nam a2200109Ia 4500008004100000100002300041245004500064260003000109300000800139942000700147999001700154161022s9999    xx            000 0 und d  a"Yourdon , Edward"  aRise & Resirrection of the American Prog  b"Yourdon, Newjersy"c1996  a318  cBK  c49337d49337