000 00344pam a2200133 a 4500
020 _c
041 _h
082 _a658.45
100 _aCOUCH (Leon W)
_eauthor
245 _aModern communication systems principles and application
_hTextual Document
260 _bPrentice Hall of India New Delhi
_c1998
300 _axxv, 597
930 _a7237
999 _c836642
_d836642