000 00287nam a2200121Ia 4500
001 104275
008 170722s9999 xx 000 0 und d
100 _aChan, N. Patrick
245 _aUseful economic /
260 _bVantage systems ,
_c1992.
300 _cPpXVII215.cms
942 _cGEN
999 _c163899
_d163899