Koster, HWMarwitz, PABerger, GWvan Weers, AWHagel, PNieuwenhuize, J2025-03-132025-03-131992https://rivm.openrepository.com/handle/10029/634026Po-210, Pb-210, Ra-226 in aquatic ecosystems and polders, anthropogenic sources, distribution and enhanced radiation doses in The Netherlands.ArticleRadiat Prot Dosim 1992; 45:715-92025-03-13