000 00328nam a2200121Ia 4500
008 211209s1992 xx 000 0 und d
041 _aeng
082 _a621.382 N92 RON
100 _aRONAYNE, JOHN
245 _aINTRODUCTION TO DIGITAL COMMUNICATION SWITCHING
260 _aALLAHABAD
_bWHEELER PUBLICATION
_c1992
300 _a235
999 _c28194
_d28194