Aero A-304 s motory Walter Super Castor I-MR (1938)
neznámý (unknown)
1939-01-16
Letetctví, Vol. XIX. (1939), No. 1 (January), p. 3, <a rel="nofollow" class="external free" href="https://kramerius.army.cz/search/i.jsp?pid=uuid:0b1c1e3e-5f13-11e9-9d61-005056b73ae5">https://kramerius.army.cz/search/i.jsp?pid=uuid:0b1c1e3e-5f13-11e9-9d61-005056b73ae5</a>