Alexander MladenovBooksSu-25 'Frogfoot' Units in CombatSoviet Cold War FightersGator on the RiseHot Skies of the Cold WarBulgarian Air Force in the Second World WarSukhoi Su-25 FrogfootMikoyan-Gurevich MiG-21Mil Mi-24 Hind gunshipAuthor data: Open Library