000			00645nam a2200217 a 4500
001			00398233
003			PWmBRO
005			20180323195404.0
008			831121s1982 njua o0011 eng l
100	1	0	_aDerfler, Frank J.
245	1	0	_aTRS-80 data communication systems / _cFrank J. Derfler, Jr.
260	0	0	_aEnglewood Cliffs, N.J. : _bPrentice-Hall, _cc1982.
300	0	0	_axi, 159 p. : _bill.
500	0	0	_a"A Spectrum book."
650	0	0	_aTRS-80 Computers).
650		0	_aTRS-80 Model 1 (Computer).
650	0	0	_aData transmission systems.
942			_2ddc
994			_a001018010 84117 0001
999			_c19532 _d19532