00333nam a2200109Ia 4500008004100000040002500041082001500066100004700081245004300128260004100171300001100212230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a370.15 W37  aTillotson, Joan and   Bonnie Cherp Gilliom 4aThe psychology of computer programming  bVan Nostrand Reinhold Company c1971  a288 p.