N. J. Ford, A. C. Simpson. Numerical approaches to the solution of some fractional differential equations. In Elias A. Lipitakis, editor, Proceedings of the 5th Hellenic-European Conference on Computer Mathematics and its Applications (HERCMA-01), Athens, Hellas, September 20-22, 2001. pages 93-100, LEA Press, Athens, Hellas, 2001.