000 00455nam a2200181Ia 4500
008 180424s9999 xx 000 0 und d
020 _a8131800164
084 _a621.380 413 S3
100 _a"Silage, Dennis"
245 0 _aDigital Communication Systems Using Systemvue
250 _a\\200700ENGGPSX
260 _aFirewall
260 _b2007
260 _cNew Delhi
300 _a365p.
500 _aincludes index and biblioraphy
942 _cBK
999 _c77186
_d77186