000 00286pam a2200133 a 4500
020 _c
041 _h
082 _a4.6
100 _aDERFLER (F.J.)
_eauthor
245 _aPractical Networking
_hTextual Document
260 _bP.H.I.(3E) E
_c2000
300 _aIX,543
930 _a8193
999 _c837598
_d837598