Não informado. (2003). Polish Journal of Natural Sciences. University of Warmia and Mazury in Olsztyn.
Citace podle Chicago (17th ed.)Não informado. Polish Journal of Natural Sciences. Olsztyn, Polonia: University of Warmia and Mazury in Olsztyn, 2003.
Citace podle MLA (8th ed.)Não informado. Polish Journal of Natural Sciences. University of Warmia and Mazury in Olsztyn, 2003.
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