000			00462pam a2200169 a 4500
020			_a0827350848
020			_a0827350856 (instructor's guide)
082	0	0	_a621.382
100	1		_aAdamson, Thomas A.,
245	1	0	_aElectronic communications / _cThomas A. Adamson.
250			_a2nd ed.
260			_aAlbany, N.Y. : _bDelmar Publishers, _cc1992.
300			_axv, 743 p. : _bill. ;
500			_aIncludes index.
650		0	_aTelecommunication.
942			_cBK
999			_c452899 _d452899