ČELKIS, Tomas. 14th - 16th centuries Grand Duchy of Lithuania border Pacts and delimitation procedures. Lietuvos istorijos studijos, [S. l.], v. 25, p. 25–47, 2010. DOI: 10.15388/LIS.2010.36765. Disponível em: https://www.journals.vu.lt/lietuvos-istorijos-studijos/article/view/36765.. Acesso em: 27 sep. 2024.