000 00298nam a22001217a 4500
020 _aNA
082 _222
_a621.38215
100 _aTiwari, R. K. and Varshney, Rajiv.
245 _aTheory of line communication /
260 _bDhanpat rai & co. Ltd.,
_cc2004.
300 _a0
_bill. ;
942 _2ddc
_cEE
999 _c3935
_d3935