1. https://www.asisbiz.com/il2/Fw-190A/JG3/pages/Focke-Wulf-Fw-190A8-12.(Sturm)JG3-(Y17+~)-Willi-Unger-1944-02.html
2. https://www.asisbiz.com/il2/Fw-190A/JG3/pages/Focke-Wulf-Fw-190A8-12.(Sturm)JG3-(Y17+~)-Willi-Unger-1944-06.html zaujimave je to X na spodku kridla
3. https://www.asisbiz.com/il2/Fw-190A/JG3/pages/Focke-Wulf-Fw-190A8-12.(Sturm)JG3-(Y17+~)-Willi-Unger-1944-03.html
Tomáš Průša