1. G. Backstrom, “PDEase2 Solves Partial Differential Equations Flexibly Using Finite Element Analysis”, Comput. Phys. 8, 185–187 (1994).
2. FIexPDE® from PDE Solutions, Inc., Sunol, CA 94586
3. PCGFem® from Numerica, Ivry 94203, France.
4. MATLAB® PDE Toolbox from MathWorks, Inc., Natick, MA 01760
5. G. Backstrom, Fields of Physics on the PC by Finite Element Analysis, (Chartwell–Bratt, ISBN 91–44–00293–9, 1996