000 00267nam a2200097Ic 4500
008 240520s9999 xx 000 0 und d
100 1 _aDemarco, Tom
245 1 0 _aStructured analysis and system specifcation /
_cTom Demarco
264 1 _bPrentice Hall
_c1979
942 _cBK
999 _c19180
_d19180