@book{203924, author = {Zalewski, Maciej and Polska Akademia Nauk.}, title = {Ecohydrology & Hydrobiology /}, publisher = {Polish Academy of Sciences,}, year = {2001-.}, address = {Warsaw :}, note = {Tytuł według okładki.}, url = {http://www.ecohydro.pl/index.php?p=archieves} }