000 00447nam a22001577a 4500
008 230504b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a621.39
_bL9
100 _aShanmugam, K Sam
245 _aDigital and analog communication systems
260 _aNew York:
_bJohn Wiley & Sons,
_c1979
300 _axviii, 600p.
650 _aScience
653 _aPhysics
942 _2udc
_cBK
999 _c40174
_d40174