OZOLA, Silvija. PLANNING AND THE SPATIAL SOLUTION OF FORTIFIED URBAN STRUCTURES IN SECULAR POWER CENTRES BUILT BY THE LIVONIAN BROTHERS OF THE SWORD (1202–1237). SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 5, p. 775–794, 2020. DOI: 10.17770/sie2020vol5.4872. Disponível em: https://journals23.rta.lv/index.php/SIE/article/view/4872.. Acesso em: 15 nov. 2024.