M. Cardona, M. A. Colomer, A. Margalida, A. Palau, I. Pérez-hurtado et al., A computational modeling for real ecosystems based on P systems, Natural Computing, vol.188, issue.3, pp.39-53, 2011.
DOI : 10.1007/s11047-010-9191-3

R. Freund, A. Leporati, G. Mauri, A. E. Porreca, S. Verlan et al., Flattening in (Tissue) P Systems, this volume
DOI : 10.1007/978-3-642-54239-8_13
URL : https://hal.archives-ouvertes.fr/hal-01352296

R. Freund, I. Pérez-hurtado, A. Riscos-núñez, and S. Verlan, A formalization of membrane systems with dynamically evolving structures, International Journal of Computer Mathematics, vol.91, issue.1, pp.801-815, 2013.
DOI : 10.1007/978-3-642-59136-5
URL : https://hal.archives-ouvertes.fr/hal-01352298

R. Freund and S. Verlan, A Formal Framework for Static (Tissue) P Systems, Membrane Computing, pp.271-284, 2007.
DOI : 10.1007/978-3-540-77312-2_17
URL : https://hal.archives-ouvertes.fr/hal-01352404

R. Freund and S. Verlan, P systems working in the k-restricted minimally parallel mode, International Workshop on Computing with Biomolecules, pp.43-52, 2008.
URL : https://hal.archives-ouvertes.fr/hal-01352330

O. Ibarra and H. Yen, Deterministic catalytic systems are not universal, Theoretical Computer Science, vol.363, issue.2, pp.149-161, 2006.
DOI : 10.1016/j.tcs.2006.07.029
URL : http://doi.org/10.1016/j.tcs.2006.07.029

D. Pescini, D. Besozzi, G. Mauri, and C. Zandron, DYNAMICAL PROBABILISTIC P SYSTEMS, International Journal of Foundations of Computer Science, vol.17, issue.01, pp.183-204, 2006.
DOI : 10.1142/S0129054106003760

S. Verlan, A note on the probabilistic evolution for P systems, Proc. of Tenth Brainstorming Week on Membrane Computing Sevilla, pp.229-234, 2012.

S. Verlan, Study of language-theoretic computational paradigms inspired by biology, 2010.