Citation

Japan Rikugun. Sanbō Honbu. Japan 陸軍. 参謀本部. (Shōwa 18 [1943]). Seibu "Nyūginia" heiyō chishi shiryōzu. [JPEG 2000]. Sanbō Honbu]. Retrieved from https://earthworks.stanford.edu/catalog/stanford-st676tm0150