Blažek, Václav, and Marta Eva Běťáková. “Prussian *Grubrius ‘god of Spring and vegetation’ in Perspective of the Italic Pantheon”. Baltistica 49, no. 2 (December 31, 2014): 345–356. Accessed April 30, 2026. https://www.journals.vu.lt/baltistica/article/view/39228.