Airborne contamination by heavy metals and aluminum in the freshwater ecosystems of the Kola subarctic region (Russia) / Moiseenko T. I., Kudryavtseva L. P., Rodyushkin I. V. [et al.] // The Science of the Total Environment. - 1995. - Т. 160/161. - С. 715-727.

Fig, 3. Concentration levels and dynamics of heavy metal ionic speciations in four streams of the Kola Peninsula. Г/6п Т/Бп PH 5.9 5.5 5.1 рн 6.6 6.2 5.6 5.4 T.l. Moiseenko et a t/S c i. Total Environ. 160/161 (1995) 715-727 -Jtsl

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