Szukana fraza: [Bibliografia = "Choiński A., Ptak M., Skowron R., Strzelczak A., 2015, Changes in ice phenology on polish lakes from 1961\-2010 related to location and morphometry, Limnologica, 53, s. 42\-49. https\:\/\/doi.org\/10.1016\/j.limno.2015.05.005"]