environmental factors
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Lead, mercury and cadmium content in bottom sediments, reed (Phragmites australis) beds and great pond snails (Lymnaea stagnalis) in fishponds and the role of littoral zones in their accumulation
Jan Sychra, Olga Čelechovská, Zdeňka Svobodová, Oldřich Sychra
2011, Vol. 80, Issue 3, pp. 313-321