=LDR 00000nam a2200000ui 4500 =001 2521 =008 250530s1994\\\\xx\|||||||||||||||||eng\d =082 04$a1994 HAM =100 1\$aHamouda, Mohamed Salem =245 10$aHeavy metals speciation and toxicity =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1994 =852 \\$bFreeman Library$cTheses$h1994 HAM