000			00555nam a22002057a 4500
005			20231126081757.0
008			231126b |||||||| |||| 00| 0 eng d
020			_a0 471 02254 3
041			_aEnglish
082			_a004 B725d 1978
100			_aBooth, Taylor L.
245			_aDigital networks and computer systems
250			_a2nd ed.
260			_aNew York: _bJohn Wiley Sons, _c1978.
300			_axiv,529p.:illu.
504			_aincludes appendix and index
650			_aComputer
650			_aComputer-assisted instruction
942			_2ddc _cBK
999			_c1530 _d1530