YOUNG, Steven. ‘Gravel’ in Baltic and Slavic. Baltistica, [S. l.], v. 40, n. 6 priedas, p. 95–100, 2005. DOI: 10.15388/baltistica.0.6.760. Disponível em: https://www.journals.vu.lt/baltistica/article/view/42601. Acesso em: 7 birž. 2026.