GRAPE is a GAP package for computing with graphs and groups. It was
written by Leonard H. Soicher of Queen Mary, University of London.

If you use GRAPE to solve a problem, then please email
L.H.Soicher@qmul.ac.uk, and reference:

Leonard H. Soicher, GRAPE: a system for computing with graphs and groups,
In Larry Finkelstein and William M. Kantor, editors, Groups and
Computation, volume 11 of DIMACS Series in Discrete Mathematics and
Theoretical Computer Science, pages 287-291, American Mathematical Society,
1993. GRAPE homepage: http://www.gap-system.org/Share/grape.html.