00324    a2200121   4500082001600000100002000016245003700036260003100073300001900104650002100123650002400144650003400168  a004.68bDOR  aDortch, Michael  aThe ABC's of local area networks  aNew DelhibBPBc1990g1990  axv,212p.c22cm  aComputer science  aLocal area networks  aIntefacing and communications