00422nam a2200157 a 450000500170000002000150001708200170003210000180004910000210006724500450008825000110013326000350014430000260017963000210020563000380022620251203092029.0  a8120310829  a004.616bJOR  aJordan, Larry  aChurchill, Bruce  aCommunications and networking for the PC  a5th ed  aNew DelhibPrentice-Hallc1996  axv, 752p.b20 cm.cPB  aComputer Science  aCommunications through Networking