1. ABZ call for papers on the POSIX pilot project in the grand challenge (viewed April 27, 2008), http://www.abz2008.org
2. Pacemaker formal methods challenge (viewed April 27, 2008), http://www.cas.mcmaster.ca/sqrl/pacemaker.htm
3. Stepney, S., Cooper, D., Woodcock, J.: An electronic purse: specification, refinement, and proof. PRG Technical Monograph PRG-126 (2000), 231 pp. (viewed April 27, 2008), http://web2.comlab.ox.ac.uk/oucl/publications/monos/prg-126.html
4. Woodcock, J., Banach, R.: The verification grand challenge. Journal of Universal Computer Science 13(5), 661–668 (2007)
5. Schmitt, P.H., Tonin, I.: Verifying the Mondex case study. In: Fifth IEEE Intl. Conf. on Software Engineering and Formal Methods, pp. 47–58. IEEE, Los Alamitos (2007)