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Keldysh_bomberLiên quan
Keldysh bomber Kelly Clarkson Kelly Hu Kelly Brook Kelly Marie Trần Kellyn Acosta Kelly Preston Kelly Holmes Kelly's of Cornwall Kelly RowlandTài liệu tham khảo
WikiPedia: Keldysh_bomber https://web.archive.org/web/20060614175120/http://... https://web.archive.org/web/20071009055651/http://... https://web.archive.org/web/20110807005346/http://... http://www.astronautix.com/data/saenger.pdf http://www.astronautix.com/k/keldyshbomber.html http://www.pp.htv.fi/jwestman/space/sang-e.html