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999 _c87401
_d87401
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020 _a114164
041 _aEN
082 _a4.62
_bCAM
_223
100 _aCAMPBELL, Joe
245 4 _aThe RS-232 solution /
_c[by] Joe Campbell
250 _a2nd ed.
260 _aNew Delhi
_bBPB pub.
_c1990
300 _axvi, 196 p.
500 _aIncludes bibliography and index
650 _aComputer interfaces
942 _cS