Experimental Reaction-Diffusion Chemical Processors for Robot Path Planning. - Andrew Adamatzky; Ben de Lacy Costello; Chris Melhuish; Norman Ratcliffe (J. Intell. Robotic Syst., 2003)

The Formation of Voronoi Diagrams in Chemical and Physical Systems: Experimental Findings and Theoretical Models. - Ben de Lacy Costello; Norman Ratcliffe; Andrew Adamatzky; Alexey L. Zanin; Andreas W. Liehr; Hans-Georg Purwins (Int. J. Bifurc. Chaos, 2004)

Chemical Tessellations. - Ben de Lacy Costello; Ishrat Jahan 002; Andy Adamatzky; Norman Ratcliffe (Int. J. Bifurc. Chaos, 2009)