000 00325nam a2200121Ia 4500
008 211209s1986 xx 000 0 und d
041 _aeng
082 _a621.382 N86 SMI
100 _aSMITH, JACK
245 _aMODERN COMMUNICATION SYSTEMS
260 _aNEW YORK
_bMCGRAW-HILL PUBLISHING COMPANY LIMITED
_c1986
300 _a557
999 _c24407
_d24407