000 00256nam a2200097Ia 4500
008 230508s2004 xx 000 0 und d
041 _aeng
100 _aTAUB & SCHILLING
245 _aPRINCIPAL OF COMMUNICATION SYSTEM
260 _bTATA MC GROW HILL PU
_c2004
999 _c335208
_d335208