S.J. Kluiving, A.L.L.M. Verbers, W.J.F. Thijs. Lithological analysis of 45 presumed pingo remnants in the northern Netherlands (Friesland): substrate control and fill sequences. njg [Internet]. 2010Jul.1 [cited 2026Apr.3];89:61 - 75. Available from: https://njgjournal.nl/index.php/njg/article/view/12002