Focke-Wulf S 24 Kiebitz with Walter NZ-60 engine
neznámý (unknown)
1929-04-15
Letectví, Vol. 9. (1929), No. 4 (April), p. 124 - <a rel="nofollow" class="external free" href="https://kramerius.army.cz/search/i.jsp?pid=uuid:fb8e6175-51ea-11e9-97b6-005056b73ae5">https://kramerius.army.cz/search/i.jsp?pid=uuid:fb8e6175-51ea-11e9-97b6-005056b73ae5</a>