00297nam a2200109Ia 4500008004000000082001300040100001800053245003200071260004700103300001300150650002400163210210b1993   xxu||||| |||| 00| 0 eng d  a543 SHAS  aSHARMA (K K).  aSenior practical chemistry.  aNDbVikas Publishing House Pvt Ltd.,c1993  ax,177,vi  aPractical chemistry