On the Total Edge-Length of a Tetrahedron

Hiroshi Maehara. On the Total Edge-Length of a Tetrahedron. The American Mathematical Monthly, 108(10):967-969, 2001. [doi]

@article{Maehara01,
  title = {On the Total Edge-Length of a Tetrahedron},
  author = {Hiroshi Maehara},
  year = {2001},
  url = {http://www.jstor.org/stable/2695418},
  researchr = {https://researchr.org/publication/Maehara01},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {108},
  number = {10},
  pages = {967-969},
}