GUZSIK, T. SOL AEQUINOCTIALIS - ZUR FRAGE DER ÄQUINOKTIALEN OSTUNG IM MITTELALTER. Periodica Polytechnica Architecture, [S. l.], v. 22, n. 3-4, p. 191–213, 1978. Disponível em: https://pp.bme.hu/ar/article/view/2418. Acesso em: 7 may. 2024.