Pérez-Jiménez, M. J., Riscos-Núñez A., Rius-Font M., & Romero-Jiménez Á.  (2013).??Seeking sharper frontiers of efficiency in tissue P systems.  International Journal of Foundations of Computer Science. 24(5),?577-579.

Macías-Ramos, L. F., Pérez-Jiménez M. J., Riscos-Núñez A., & Rius-Font M.  (2013).??The efficiency of tissue P systems with cell separation relies on the environment.  (Erzsebet Csuhaj-Varjú, Marian Gheorghe, Grzegorz Rozenberg, Arto Salomaa, György Vaszil, Ed.).Lecture Notes in Computer Science.  7762 (2013), 257-276.

Pérez-Jiménez, M. J., Riscos-Núñez A., Rius-Font M., & Romero-Campero F. J.  (2013).??A polynomial alternative to unbounded environment for tissue P systems with cell division.  International Journal of Computer Mathematics. 90(4),?760-775.

Pérez-Jiménez, M. J., Riscos-Núñez A., Rius-Font M., & Valencia-Cabrera L.  (2013).??The relevance of the environment on the efficiency of tissue P systems.  (Artiom Alhazov, S. Cojocaru, Marian Gheorghe, Yurii Rogozhin, Ed.).14th International Conference on Membrane Computing.  283-295.

Pan, L., Pérez-Jiménez M. J., Riscos-Núñez A., & Rius-Font M.  (2012).??New frontiers of the efficiency in tissue P systems.  (Linqiang Pan, Gheorghe Paun, Tao Song, Ed.).Asian Conference on Membrane Computing.  61-73.

Macías-Ramos, L. F., Pérez-Jiménez M. J., Riscos-Núñez A., Rius-Font M., & Valencia-Cabrera L.  (2012).??The efficiency of tissue P systems with cell separation relies on the environment.  13th International Conference on Membrane Computing (CMC13).  277-290.

Pérez-Jiménez, M. J., Riscos-Núñez A., Rius-Font M., & Romero-Campero F. J.  (2012).??The Role of the Environment in Tissue P Systems with Cell Division.  Tenth Brainstorming Week on Membrane Computing. II, 89-104.

Pérez-Jiménez, M. J., Riscos-Núñez A., Rius-Font M., & Romero-Campero F. J.  (2011).??Looking for small efficient P systems.  Fundamenta Informaticae. 110(1-4),?295-308.

Niu, Y., Pan L., Pérez-Jiménez M. J., & Rius-Font M.  (2011).??A tissue P systems based uniform solution to Tripartite Matching problem.  Fundamenta Informaticae. 109, 179-188.

Pérez-Hurtado, I., Pérez-Jiménez M. J., Riscos-Núñez A., Gutiérrez-Naranjo M. A., & Rius-Font M.  (2011).??On a partial affirmative answer for a Paun's conjecture.  International Journal of Foundations of Computer Science. 22(1),?55-64.

Gutiérrez-Escudero, R., Pérez-Jiménez M. J., & Rius-Font M.  (2010).??Characterizing tractability by tissue-like P systems.  Lecture Notes in Computer Science. 5957, 289-300.

Cardona, M., Colomer A. M., Riscos-Núñez A., & Rius-Font M.  (2009).??P Systems: Computing the Period of Irreducible Markov Chains.  International Journal of Computers, Communications and Control. 4(3),?291-300.

Gutiérrez-Escudero, R., Pérez-Jiménez M. J., & Rius-Font M.  (2009).??Characterizing tractability by tissue-like P systems.  (Gheorghe Paun, Mario J. Pérez-Jiménez, Agustín Riscos-Núñez, Ed.).10th Workshop on Membrane Computing.  269-281.

Gutiérrez-Escudero, R., Pérez-Jiménez M. J., & Rius-Font M.  (2009).??Characterizing tractability by tissue-like P systems .  7th Brainstorming Week on Membrane Computing. I, 169-180.