00412    a2200145   4500082001500000100001500015245002700030250001300057260005000070300002100120650003700141650003400178650003900212700001500251  a541.2bTUL  aTuli, G.D.  aChemical calculations   a18th ed.  aNew DelhibS. Chand & Company Ltdc1949g1992  a[iv],298p.c17cm  aNatural sciences and mathematics  aChemistry and allied sciences  aphysical and theoretical chemistry  aSoni, P.L.