@article {530,
	title = {A Polynomial Complexity Class in P Systems Using Membrane Division},
	journal = {Journal of Automata, Languages and Combinatorics},
	volume = {11},
	year = {2006},
	pages = {423-434},
	publisher = {Fakult{\"a}t f{\"u}r Informatik, Otto.von-Guericke-Universit{\"a}t},
	address = {Magdeburg (Germany)},
	issn = {1430-189X},
	author = {Mario J. P{\'e}rez-Jim{\'e}nez and {\'A}lvaro Romero-Jim{\'e}nez and Fernando Sancho-Caparrini}
}
