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020 _a81-219-0476-5
082 0 0 _a621. 382 sin
100 1 _a"singh, anokh . "
245 1 0 _aprinciples of communication engineering:
_b/
_c anokh.. singh
250 _a1 ed.
260 _anew delhi :
_bs.chand
_c2004.
300 _a"ix, 662p.;
_c24 cm."
504 _a
650 0 _acommunication engineering
_x
999 _c61750
_d61750