Search for: [References = "58. Wiśniewski E ., 1990. Evolution of the Vistula Valley. \[in\:\] L. Starkel \(ed.\), Evolution of the Vistula River valley during the last 15,000 years, part III, Geographical Studies, Special Issue, no. 5, Warszawa\: Instytut Geografii i Przestrzennego Zagospodarowania PAN, pp. 141\-146."]