000			00315nam a2200145Ia 4500
100			_aThomas.R.M.
942			_cBK
654			_aDos S Reference
245			_aDOS S Instant Reference
260			_bB P B Pub. _aNew Delhi _c1992
082			_a005.13 'D' _bTHO
300			_a313
546			_aENGLISH
999			_c35350 _d35350