00382    a2200133   4500020001500000082001600015100001900031245006400050260005600114300002000170650002400190650002000214650001400234  a9552600332  a546.22bSIL  aSilva, E. I. L  aWater quality of Sri Lankaba review on twelve water bodies  aKandybInstitute of Fundamental Studiesc1996g1996  avii,141p.c23cm  aInorganic chemistry  aAcids and bases  aCompounds