Winet, Ines. β€œThe Dendrochronologically Dated Horizons (173–230 231 AD) of Cham-Hagendorn (Canton Zug, Switzerland)”. Rei Cretariae Romanae Fautorum Acta 44 (January 1, 2017): 529–535. Accessed December 28, 2025. https://www.archaeopresspublishing.com/ojs/index.php/RCRF/article/view/2069.