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040 _aDLC
_cDLC
_dDLC
_dBD-SySUS
082 0 0 _a621.385
_222
100 1 _aBellamy, John C.
_d1941-
_99600
245 1 0 _aDigital telephony /
_cJohn Bellamy.
250 _a3rd ed.
260 _aNew Delhi :
_bWiley,
_c2004.
300 _axix, 643 p. :
_bill. ;
_c25 cm.
500 _a"A Wiley-Interscience publication."
504 _aIncludes bibliographical references and index.
650 0 _aDigital telephone systems.
_99601
856 4 2 _3Publisher description
_uhttp://www.loc.gov/catdir/enhancements/fy0607/90037906-d.html
942 _2ddc
_cBK
999 _c4246
_d4246