Tham khảo Sikorsky H-5

Ghi chú

  1. ↑ Fitzsimons, Bernard, general editor. Illustrated Encyclopedia of 20th Century Weapons and Warfare (London: Phoebus, 1978), Volume 20, p.2173, "R-5, Sikorsky".
  2. ↑ "What Happens When You Mail a Letter." Popular Science, December 1951.
  3. 1 2 Helis.com
  4. ↑ Pictorial PNA
  5. ↑ RAAF Museum
  6. ↑ Swanborough and Bowers 1963, p. 431.

Tài liệu

  • Fitzsimons, Bernard, ed. Illustrated Encyclopedia of 20th Century Weapons and Warfare, Vol.20. London: Phoebus, 1978. ISBN 978-0-83936-175-6.
  • Polmar, Norman and Floyd D. Kennedy, Jr. Military Helicopters of the World: Military Rotary-wing Aircraft Since 1917.. Annapolis, Maryland: Naval Institute Press, 1981. ISBN 0-87021-383-0.
  • Rawlins, Eugene W., Lt. Col. Marines and Trực thăng 1946–1962. Washington, D.C.: History and Museums Division, U.S. Marine Corps, 1976.
  • Swanborough, F.G. and Peter M. Bowers. United States Military Aircraft since 1909. London: Putnam, 1963.
  • United States Air Force Museum Guidebook. Wright-Patterson AFB, Ohio: Air Force Museum Foundation, 1975.

Tài liệu tham khảo

WikiPedia: Sikorsky H-5 http://www.dna.gov.ar/DIVULGAC/HELO.HTM http://www.airforce.gov.au/raafmuseum/research/air... http://www.flightglobal.com/pdfarchive/view/1948/1... http://translate.google.com/translate?js=y&prev=_t... http://www.helis.com/database/modelorg/1752/ http://www.helis.com/database/org/ar_argentine_coa... http://blog.modernmechanix.com/2007/01/28/what-hap... http://www.scribd.com/doc/70427264 http://www.nationalmuseum.af.mil/factsheets/factsh... https://commons.wikimedia.org/wiki/Category:Sikors...