Tolong jelaskan mengenai . dari Penerbang ulung

Stenman, Kari and Kalevi Keskinen. Finnish Aces of World War 2 (Osprey Aircraft of the Aces, number 23). London: Osprey Publishing. 1998. .

Thomas, Andrew. Defiant, Blenheim and Havoc Aces. London: Osprey Publishing, 2012. .

Toliver, Raymond J. and Trevor J. Constable. Horrido!: Fighter Aces of the Luftwaffe. London: Bantam Books, 1979. .

Toperczer, Istvan. MIG-17 and MIG-19 Units of the Vietnam War (Osprey Combat Aircraft, number 25). London: Osprey, 2001. .