References

https://www.e-education.psu.edu/earth520/content/l2_p7.html

http://www.encyclopedia.com/people/science-and-technology/geology-and-oceanography-biographies/john-tuzo-wilson

https://www.britannica.com/biography/J-Tuzo-Wilson

http://www.thecanadianencyclopedia.ca/en/article/john-tuzo-wilson/

https://www.e-education.psu.edu/earth520/node/1809