Board Thread:Off Topic/@comment-30821401-20170105130549/@comment-24314595-20170109144207

Waerden, Bartel Leendert Van Der, and Christian Marinus Taisbak. "Euclid." Encyclopædia Britannica. Encyclopædia Britannica, Inc., 10 Dec. 2015. Web. 06 Jan. 2017.

Lol