1.
W. de Gans, P. Cleveringa. Stratigraphy, palynology and radiocarbon dating of middle and late Weichselian deposits in the Drentsche AA valley system (Drente, the Netherlands). njg [Internet]. 1981Jan.1 [cited 2026Apr.4];:373-84. Available from: https://njgjournal.nl/index.php/njg/article/view/13643