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  1. ↑ Mikesh, pp. 1, 21
  2. ↑ "Japan's Secret WWII Weapon: Balloon Bombs". May 27, 2013.
  3. ↑ "Anti-Aircraft Mine & Intercontinental Launching Balloon Bombs Through Jet Stream-Fire balloon-Japanese Balloon Bombs-Terrorist Handbook-on a wind and a prayer | Jet Stream | Anti Aircraft Warfare". Scribd (ภาษาอังกฤษ). สืบค้นเมื่อ 2017-05-31.
  4. ↑ Powles, James (February 2003), "Silent Destruction: Japanese Balloon Bombs", World War II, 17 (6), pp. 65–66
  5. ↑ Ancona, Gaspar F. (2001). Where The Star Came to Rest. Strasbourg Cedex 2, France: Éditions du Signe. pp. 90–91. ISBN 978-2-7468-0317-6. On January 23, 1945...It landed on the farm of Chris Stein near the intersection of 146th Avenue and 21st Street in northern Allegan CountyCS1 maint: location (link)
  6. ↑ "That time in World War II when Japan used a hot air balloon to bomb Oregon and kill six people - Altered Dimensions Paranormal". January 19, 2016.
  7. ↑ Kingston, Mike (November 30, 2017). "The Bombing of Texas". Texas Almanac. Texas State Historical Association.
  8. ↑ Mikesh, p. 1
  9. ↑ "Japan's Secret WWII Weapon: Balloon Bombs". Science (ภาษาอังกฤษ). 2013-05-28.