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Sopwith_1½_Strutter Tham khảo. London: IPC. ISSN 0143-7240.
Thực đơn
Sopwith_1½_Strutter Tham khảoLiên quan
Sopwith Camel Sopwith 1½ Strutter Sopwith Tabloid Sopwith Pup Sopwith Triplane Sopwith Cuckoo Sopwith Dolphin Sopwith Baby Sopwith Snipe Sopwith SalamanderTài liệu tham khảo
WikiPedia: Sopwith_1½_Strutter http://www.flightglobal.com/pdfarchive/view/1956/1... http://www.flightglobal.com/pdfarchive/view/1956/1... http://wio.ru/ww1a/sopw112.htm https://commons.wikimedia.org/wiki/Category:Sopwit...