Dubiniewicz, Andrzej K. “Petrographic Assessment of the Occurrence of Potentially Alkali-Reactive Silica in Post-Glacial Gravels of North-Western Poland and North-Eastern Germany”. Roads and Bridges - Drogi I Mosty, vol. 22, no. 3, Sept. 2023, pp. 259-73, doi:10.7409/rabdim.023.013.