00521nus0 22001813i 450 NAP039532020251003044249.020080128f ||||0itac50 bausbzu||||||||Yourdon press computing seriesEnglewood Cliffs (NJ)Yourdon pressLondonPrentice-Hall International.ITIT-00000020080128IT-BN0095 NAP0395320 01Yourdon press computing series1572906UNISANNIO