@article {582,
	title = {Tissue-like P systems communicating by request},
	journal = {Ramanujan Mathematical Society. Lecture Notes Series in Mathematics},
	year = {2008},
	pages = {143-154},
	publisher = {Ramanujan Mathematical Society},
	url = {http://www.ramanujanmathsociety.org/docs/lns/ln-issue3-contents.pdf},
	author = {Erzsebet Csuhaj-Varj{\'u} and Gheorghe Paun and Gy{\"o}rgy Vaszil}
}
