Figueiral, I. “Antracologia E Megalitismo Na região Corgo/Tua (NE Portugal) : As Mamoas Da Alagoa E Do Castelo”. Portugalia : Journal Fo Archaeology of the Deparment of Heritage Studies of the Faculty of Arts and Humanities of the Universitu of Porto, vol. 25, May 2018, pp. 43-52, https://ojstest.xyz/ojsletras/index.php/Port/article/view/4212.