00369nam a2200145Ia 4500008004100000020001500041082001900056100002000075245004000095250000600135260003800141300000800179650002100187650001500208140316s9999    xx            000 0 und d  a8170299624  a004.68bTHO/IN  aThomas,Robert S  aIntroduction to local area networks  a2  aNew DelhibBPB Publicationsc1998  a488  aIntranet working  aTopologies