000 00255nam a2200121Ia 4500
100 _aS.MEHTA
365 _cRS
365 _d1
942 _cENGBK
245 _aDos mode simple Q & A
260 _bGalgotia publication
_c1993
_aNEW DELHI
300 _aXXVIII+564
999 _c2261
_d2261