Boomerangs

[FastTrax]

www.boomerangs.com/pages/aerodynamics-of-boomerangs

www.australian.museum/learn/cultures/atsi-collection/boomerangs/

www.ifbaonline.org

www.encyclopedia.com/social-sciences-and-law/political-science-and-government/military-affairs-nonnaval/boomerang

https://en.wikipedia.org/wiki/Boomerang