ROCHA, Rogério et al. Theme A - Principles and methods / Advances in Isotopic Geochronology. Ciências da Terra Procedia, [S.l.], p. 51, aug. 2013. Available at: <https://cienciasdaterra.novaidfct.pt/index.php/ctproc/article/view/306>. Date accessed: 21 sep. 2021.