Joseph O Rourke. Computational geometry column 20. Int. J. Comput. Geometry Appl., 3(3):347-349, 1993.
@article{ORourke93b,
title = {Computational geometry column 20},
author = {Joseph O Rourke},
year = {1993},
researchr = {https://researchr.org/publication/ORourke93b},
cites = {0},
citedby = {0},
journal = {Int. J. Comput. Geometry Appl.},
volume = {3},
number = {3},
pages = {347-349},
}