Bettencourt, A. M. S., and T. M. H. Rebelo. “Monumentos megalíticos Da Serra Do Arestal (Sever Do Vouga - Vale De Cambra) : Inventário Preliminar”. Portugalia : Journal Fo Archaeology of the Deparment of Heritage Studies of the Faculty of Arts and Humanities of the Universitu of Porto, vol. 9, Oct. 2018, pp. 7-30, https://ojstest.xyz/ojsletras/index.php/Port/article/view/4931.