Hasholt, B. (1987) “Quaternary geology of Lake Zurich: an interdisciplinary investigation by deeplake drilling. Ed. by K.J. Hsu and K.R. Kelts. (Contributions to sedimentology; 13)”., Geografisk Tidsskrift, 87. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/44441 (Set: 6 december 2025).