Boeing 767 - Gimli purilennukLuczkowski, TeodorSõnumileht1996 / 23. apr., lk. 6: ill

Impact of variable geometry miniflaps on sailplane flight characteristicsLauk, Peep; Seegel, Karl-Erik; Tähemaa, ToivoAviation2017 / p. 119-125 https://doi.org/10.3846/16487788.2017.1415228