000 00279nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Leon, A. & Leon, M."
245 0 _aInternet for everyone
260 _bLeon tech world
260 _c1998
365 _b0.00
942 _cBK
999 _c141310
_d141310