00457nam a22001697a 450000500170000001000150001702000260003203500130005803700130007108200130008410000170009724500380011426000370015227000580018930000210024750000190026820131218163003.0  aENG-108912  a9789380515137c395.00  aEN-92445  bDBAD/PUB  a363.7394  aSingh, M. K.  aWater pollution /cby M. K. Singh  aNew DelhibMansi Prakashanc2013  a4760-61 23, Ansari Road, DaryaganjbNew Delhie110002  a176p. c22cm(Hb)  aIncludes index