000 00492nam a2200169Ia 4500
003 GCL
008 140319s9999 xx 000 0 eng d
040 _aGCL /
_cGCL
082 0 4 _a621.380413
_bC D
100 1 _aCOUCH LEON W.
245 1 0 _aDIGITAL AND ANALOUG COMMUNICATION SYSTEMS, 3rd ed /
_cCOUCH LEON W.
260 _a[S.N] :
_bMACMILLAN PUBLISHING COMPANY ،
_c1990
300 _a766 P
650 0 4 _aDIGITAL COMMUNICATIONS
650 0 4 _aTELECOMMUNICATION - SYSTEMS
942 _2ddc
_cBK
999 _c17196
_d17196