000 00310nam a2200121Ia 4500
100 _aWigander, K.
020 _a0-07-015061-3
942 _cBK
245 _aStructured analysis and design of information systems
260 _aMcGraw-Hill book company, New York
_c1986
082 _a001.64 Wig
300 _aix,277
999 _c62427
_d62427