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The influence of POP and metal contamination in Flemish water bodies (Belgium) on ecological water quality and biota populations
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Het Vlaamse palingpolluentenmeetnet, 1994-2001: gehalten aan polychloorbifenylen, organochloorpesticiden en zware metalen in paling
Attempts to control aquatic Crassula helmsii at Huis ter Heide (Tilburg, The Netherlands), with special reference to dye treatment ; Pogingen tot bestrijding van Crassula hemsii in...