000 00430nam a2200145 a 4500
999 _c716
_d716
020 _a8120334116 (paperback)
020 _a9788120334113 (paperback)
100 _aBlake, Roy
245 0 0 _aDigital & analog communication systems 7ed.
250 _a7th ed.
260 _a[S.l.] :
_bPHI LEARNING PVT LTD,
_c2008.
300 _a1 v. (unpaged)
856 4 0 _uhttp://www.amazon.com/exec/obidos/ASIN/8120334116/chopaconline-20
942 _cBK