000 00332nam a2200121Ia 4500
008 211209s1988 xx 000 0 und d
041 _aeng
082 _a004.6 N88 FRE
100 _aFREER, JOHN R
245 _aCOMPUTER COMMUNICATIONS AND NETWORKS
260 _aNEW DELHI
_bAFFILIATED EAST-WEST PRESS PVT. LTD.
_c1988
300 _a432
999 _c25349
_d25349