000 003180000a22001450004500
001 EST
003 681.30.01 / E73
004 M
006 m
100 _aEtheridge, D.
100 _aSimon, E.
245 _aInformation networks : planning and design
650 _a<REDES DE COMPUTADORAS><DISEÑO>
999 _c5685
_d5685