-20, Dept. of Computer Science, University of Alberta (1996)

<P></P><DT><A NAME="mckay81:_pract_graph_iso">47</a>
<DD>Brendan D. McKay<BR>
<EM>Practical Graph Isomorphism</EM><br>
Congressus Numerantium (1981)

<P></P><DT><A NAME="reingold77:_combin_algo">48</a>
<DD>Reingold, Nievergelt, and Deo<BR>
<EM>Combinatorial Algorithms: Theory and Practice</EM><br>
Prentice Hall (1977)

<P></P><DT><A NAME="moore59">49</a>
<DD>Edward Moore<BR>
<EM>The shortest path through a maze</EM><br>
International Symposium on