000 00405pam a2200121a 44500
008 140414b1968 xxu||||| |||| 00| 0 eng d
100 _acarlson A bruce
245 _aCOMMUNICATION SYSTEMS
_bAn Introduction to signals and Noise in Electrical Communication
_c
250 _a2 Ed.
260 _aNEW DELHI
_bMCGRAW HILL INTERNATIONAL BOOK COMPANY
_c1968
690 _aCOMMUNICATIONS ENGINEERING
906 _a49582
999 _c45114
_d45114