00323nam a2200121Ia 4500008004100000040001600041041001200057082001700069100002100086245004800107260003400155300001200189230917s9999||||xx |||||||||||||| ||und||  e39592aMAIN  aEnglish  a658.05 C754D  aCondon, Robert J 0aData processing systems analysis and design  a4thbNew DelhicPrentice Hall  a1987 p.