@InCollection{Bartnicki:2017,
author
=
"T.Bartnicki and J.Grytczuk and H.Kierstead and X.Zhu",
title
=
"Daltonism and half-dollar coins are used in this exploration of a Steven Brams game theory approach to the Four Color Theorem",
pages
=
"73--84",
year
=
"2017",
booktitle
=
"Martin Gardner in the Twenty-First Century ISBN: 9780883859131",
editor
=
"eds. Michael Henle, Brian Hopkins",
publisher
=
"Mathematical Association of America",
address
=
"Washington",
}