in geodesy, 1850-1950," Bulletin of the Institute of Combinatorics
and its Applications 21 (1997) 77-82.
nifty occurrence of graph theory and algorithms within the study
of continental-scale surveying that dates back to the 1850's.
formal analogy between Baer subplanes and their complements,"
Journal of Geometry 6 (1975) 97-104.
and graph-theoretic characterizations of the self-dual sentences
of projective geometry," Journal of Geometry 6
problem on collinear points" (with D.W. Crowe), Mathematics
Magazine 41 (1968) 30-34.
"McKee Configuration" consists of 13 points on the plane such
that there are only six--fewer than had been thought possible--"ordinary"
lines (meaning lines that contain exactly two of the points).
The following updates the continuing role of that configuration:
Csima and E. T. Sawyer, "The 6n/3 theorem revisited," in Graph
Theory, Combinatorics, and Applications (Y. Alavi &
A. Schwenk, eds.) Wiley (1995) vol 1, pp. 235-249.