ANBO III, třípohledová skica
neznámý (unknown)
1931-04-09
Les Ailes, Nr. 512 (9.4.1931), p. 3, <a rel="nofollow" class="external free" href="https://gallica.bnf.fr/ark:/12148/bpt6k6555761f/f3.item">https://gallica.bnf.fr/ark:/12148/bpt6k6555761f/f3.item</a>