000 00266nam a2200109Ia 4500
008 170320s9999 xx 000 0 und d
100 _aWertheim, Margaret
245 4 _aThe pearly gates of cyberspace
260 _bW.W norton;n.y
_c1999
300 _a336
942 _cBK
999 _c87320
_d87320