00431nam a2200133Ia 4500100001800000942000700018654002700025245002500052260003200077082001400109546001200123999001700135952014500152  aCampbell Joe   cBK  aThe R.S. 232  Solution  aThe R.S-232 Solution  bB.P.B. PubaNew Delhic1990  a4.69bCAM  aENGLISH  c24878d24878  001040708CRCaCRCEbCRCEc1520 | 31d2023-03-17eglobal booksg150.00i96/14.01.94l0o4.69 CAMp5220r2023-03-17v150.00w2023-03-17yBK