00400nam a2200121Ia 4500008004100000082001900041100003200060245004700092250000900139260004000148300000600188650008400194150614s9999    xx            000 0 und d  a005.113  MCG-T  aClement L. McGowan & Others  aTop Down Structured Programming Techniques  aI ED  bPetrocelli/Charter Publishingc1975  a0  aTop Down Structured Programming Techniques Clement L. McGowan & Others,Computer