00685nam a2200169 a 4500003000200000005001700002008004100019050003000060100003200090245011000122260009000232300004000322504004100362650002700403650004600430650003900476020250319102638.0090507s19uu    xx uuu              eng d  aPHS TD 428.W37b.An4 2008  aAng, Ma. Preciosa Monica V.  aCopper content of water with and without water lettuce (Pistia stratiotes) /cMa. Preciosa Monica V. Ang.  aLas Piñas City, Philippines :bSouthville International School and Colleges,c2008.  a23 pages :billustrations ;c28 cm.  aIncludes bibliographical references.  aWaterxCopper content.  aPistia stratiotesxEnvironmental aspects.  aAquatic plantsxPollutant removal.