[1]
Brookfield, M.E., Couto, H., Catlos, E.J. and Schmitt, A. 2021. U-Pb SIMS zircon ages for Cambro-Ordovician rocks, Valongo Anticline, northwestern Portugal. Journal of Mediterranean Earth Sciences. 13, (Sep. 2021). DOI:https://doi.org/10.13133/2280-6148/17274.