Sárkány-Kiss, A., Macalik, K. (1999): Bioaccumulation of certain toxic metals by fish and Unionidae shells in River Someş/Szamos [Bizonyos toxikus fémek bioakkumulációja halakban és Unioniodae kagylóhéjakban a Szamos folyóban]. In: Sárkány-Kiss, A. & Hamar, J. (eds.): The Someş/Szamos River Valley: a study of the geography, hydrobiology and ecology of the river system and its environment. Tiscia monograph series, Szolnok – Szeged – Târgu Mureş, Hungary – Romania, pp. 269-273
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