1. Bălănescu, T., Nicolescu, R., Wu, H.: Asynchronous P systems. International Journal of Natural Computing Research, 1–18 (in press, 2011)
2. Carnero, J., Díaz-Pernil, D., Molina-Abril, H., Real, P.: Image segmentation inspired by cellular models using hardware programming. In: González-Díaz, R., Real-Jurado, P. (eds.) 3rd International Workshop on Computational Topology in Image Context, pp. 143–150 (2010)
3. Lecture Notes in Computer Science;G. Casiraghi,2006
4. Lecture Notes in Computer Science;M. Cavaliere,2008
5. Cavaliere, M., Ibarra, O.H., Păun, G., Egecioglu, O., Ionescu, M., Woodworth, S.: Asynchronous spiking neural P systems. Theor. Comput. Sci. 410, 2352–2364 (2009)