%0 Conference Article %T The Origin of Cups on the Lagoon Coasts of the Curonian and Vistula Spits %A Badyukova, E.N. %A Zhindarev, L.A. %A Luk'yanova, S.A. %A Solov'eva, G.D. %K underwater slope, beach, edge waves, wave activity, surge currents %J XXVII International Shore Conference (Arctic Coast: The Path to Sustainability) %D 2024 %P 3 %I Academus Publishing