000 003330000a22001330004500
008 140223b1998 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _a9S7 N8
082 _a9S7 N8
100 _aMACKENZIE (Lewis)
245 _aCommunications and Networks
260 _aLondon
_bMcGraw Hill
_c1998
650 _aComputer Science
999 _c218210
_d218210