000 00320nam a2200121Ia 4500
008 211209s1985 xx 000 0 und d
041 _aeng
082 _a004.6 N85 BAR
100 _aBARTEE, THOMAS C
245 _aDATA COMMUNICATIONS, NETWORKS AND SYSTEMS
260 _aNEW DELHI
_bBPB PUBLICATIONS
_c1985
300 _a359
999 _c25282
_d25282