Bibliography
cited sources
- Physics For Scientists and Engineers: A Strategic
Approach
- https://regia.org/research/ships/Ships1.htm
- https://gewa.gsfc.nasa.gov/clubs/sailing/RESOURCES/Physics_of_sailing.pdf
- http://www.gutenberg.org/files/33098/33098-h/33098-h.htm#Page_65
- https://www.yumpu.com/en/document/view/11320196/physics-of-viking-sailing-ships