Editing Tetrahedron (section)

==Bibliography==
{{refbegin|25em}}
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 | title = A Mathematical Space Odyssey: Solid Geometry in the 21st Century
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}}
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}}
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* {{cite thesis
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}}
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 | title = On the volume of a hyperbolic and spherical tetrahedron
 | mr = 2154824
 | year = 2005
 | journal = Communications in Analysis and Geometry
 | issn = 1019-8385
 | volume = 13 | issue = 2 | pages = 379–400
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 | doi-access = free
}}
* {{cite journal
 | last = Park
 | first = Poo-Sung
 | title = Regular polytope distances
 | journal = [[Forum Geometricorum]]
 | volume = 16
 | year = 2016
 | pages = 227–232
 | url = http://forumgeom.fau.edu/FG2016volume16/FG201627.pdf
 | archive-date = 10 October 2016
 | access-date = 24 May 2016
 | archive-url = https://web.archive.org/web/20161010184811/http://forumgeom.fau.edu/FG2016volume16/FG201627.pdf
 | url-status = dead
 }}
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{{refend}}