OSCHLIES, W. Istorija na srŭbsko bŭlgarskata vojna 1885. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 477–478, 2021. Disponível em: http://bsb0sit-zepweb01.bsb.lrz.de/portal/index.php/sof/article/view/11368. Acesso em: 10 mai. 2024.