000			naa a22 7ar4500
008			06127| d
001			63541
040			_aNEU
010			_a 81011633
020			_a0471080896
050	0	0	_aTK5103.7
082	0	0	_a621.385
245	1	0	_aDigital telephony / _cJohn Bellamy.
260			_aNew York : _bWiley, _c1982.
300			_axviii, 526 p. : _bill. ; _c25 cm.
500			_aIncludes index.
504			_aBibliography: p. 519-521.
100			_9199191 _aBellamy, John, _d1941-
650			_aDigital telephone systems _9378448
942			_kTK00051037B441982 _cBOOK
999			_c52046