000			00634nam a2200193 a 4500
001			A30009 16085
003			dti
005			20170506185322.0
008			s1997 000 0 eng
020			_a0028387600
100	1		_aTooley, Rod.
245	1	0	_aCommunication technology : today and tomorrow : _bstudent workbook / _cby Rod Tooley, Roger Bailey.
260			_aNew York, N.Y. : _bGlencoe/McGraw-Hill, _c1997.
300			_a189 p. : ill.
500			_aIncludes index.
500			_aContents : Introduction to communication technology--Data communication systems.
650		0	_aCommunication.
700	1		_aBailey, Roger.
999			_c376790 _d376790