000 00322nam a2200121Ia 4500
008 211209s2005 xx 000 0 und d
020 _a8178083280
041 _aeng
100 _aCOUCH LEON W
245 _aDIGITAL AND ANALOG COMMUNICVATION SYSYTEMS
250 _a6 ed.
260 _aNEW DELHI
_bPEARSON EDUCATION ASIA
_c2005
999 _c44089
_d44089