RYBAK, A. CHARACTERIZATION OF NATURAL-HYDROLOGICAL CONDITIONS WITHIN THE VISTULA DELTA /ZULAWY REGION/. Discussion Papers, [S. l.], n. Special, p. 251–276, 1988. Disponível em: https://dp.ojs.rkk.hu/index.php/DP/article/view/2116. Acesso em: 16 oct. 2024.