WOLODTSCHENKO, Alexander. Über die Sammlung altjapanischer Karten von Leo Bagrow. meta-carto-semiotics, [S.l.], v. 9, n. 1, p. i-v, feb. 2017. ISSN 1868-1387. Available at: <http://ojs.meta-carto-semiotics.org/index.php/mcs/article/view/6>. Date accessed: 22 may 2019.