000 00275nam a2200097Ia 4500
082 _aMERM-PCRL-PEZL
245 0 _aHow the Internet works
100 _a GRALLA, Preston Indianapolis, IN, 2002 6th ed
_949292
942 _cBK
008 210817s9999 xx 000 0 und d
999 _c226737
_d226736