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Hiller OH-23 Raven Tham khảoLiên quan
Tài liệu tham khảo
WikiPedia: Hiller OH-23 Raven http://www.canadianwings.com/Aircraft/aircraftDeta... http://www.flightglobal.com/pdfarchive/view/1968/1... http://www.flightglobal.com/pdfarchive/view/1968/1... http://www.flightglobal.com/pdfarchive/view/1968/1... http://www.flightglobal.com/pdfarchive/view/1968/1... http://www.flightglobal.com/pdfarchive/view/1968/1... http://www.flightglobal.com/pdfarchive/view/1968/1... http://www.flightglobal.com/pdfarchive/view/1968/1... http://www.flightglobal.com/pdfarchive/view/1975/1... http://www.flightglobal.com/pdfarchive/view/1987/1...