@article {402,
	title = {A characterisation of NL using membrane systems without charges and dissolution},
	journal = {Unconventional Computation, UC{\textquoteright}08},
	volume = {5204},
	year = {2008},
	month = {August},
	pages = {164-176},
	publisher = {Springer},
	address = {Vienna (Austria)},
	url = {http://www.cs.us.es/~dwoods/download/MurphyWoods-UC08.pdf},
	author = {Niall Murphy and Damien Woods},
	editor = {Cristian Calude and Jos{\'e} F. Costa and Rudolf Freund and Marion Oswald and Grzegorz Rozenberg}
}
