000 00323pam a2200133 a 4500
020 _c
041 _aeng
082 _a621.38
_bFRE
100 _aFrenzel Louis .
245 _aPrinciples Electronics Of Communication System
_hTextual Documents
260 _aNew Delhi
_bMcGraw Hill
_c2019
300 _a930p.
930 _a17028
999 _c93928
_d93928