000 nam a22 7a 4500
999 _c10223
_d10223
005 20180512111252.0
008 180512b xxu||||| |||| 00| 0 eng d
082 _a621.38
_bCHI
100 _aChitode,J.S.
245 _aPrinciples of Communication
250 _a2nd
260 _apune
_bTecnnical
_c2013
300 _axiv 5-34p.
942 _2ddc
_cDB