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\bibitem{Stoica+Dima2000} Stoica, L., \& Dima, G. (2000). Pb(II) removal from aqueous systems by biosorption-flotation on mycelial residues of Penicillium chrysogenum. In A. Rozkowski (Ed.), \textit{7th international Mine Water Association congress; Mine water and the environment} (pp. 472--481). Sosnowiec: Uniwersytet Slaski.

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