Interactive development environment for single-board computers. - Andrew Haley; Howerd Oakford; Chris Stephens (Microprocess. Microsystems, 1986)

Orientable and Nonorientable Genera for Some Complete Tripartite Graphs. - Ken-ichi Kawarabayashi; Chris Stephens; Xiaoya Zha (SIAM J. Discret. Math., 2004)

Counterexamples to the nonorientable genus conjecture for complete tripartite graphs. - Mark N. Ellingham; Chris Stephens; Xiaoya Zha (Eur. J. Comb., 2005)

The nonorientable genus of complete tripartite graphs. - Mark N. Ellingham; Chris Stephens; Xiaoya Zha (J. Comb. Theory B, 2006)