000 00405 a2200145 4500
020 _a8120312791
082 _a621.382
_bCOU
090 _c13109
_d19165
100 _aCouch, Leon W.
245 _aModern communication systems
_bprinciples and applications
260 _aNew Delhi
_bPrentice- Hall of India
_c1995
_g1998
300 _axxv, 598p.
_c23cm.
650 _aCOMMUNICATIONS ENGINEERING
942 _cL
999 _c41461
_d41461