00302nam a2200121Ia 450000500170000000800410001704100080005808200160006610000210008224500240010326000440012730000090017120260720174652.0260720s1991    xx            000 0 und d  aeng  a001.51 MCNL  aMcnamara, E John  aLocal area networks  aNew DelhibPrentice Hall of Indiac1991  a165p