@proceedings {,
	title = {Fourth Brainstorming Week on Membrane Computing. Volumen I},
	volume = {I},
	year = {2006},
	note = {Miguel A. Guti{\'e}rrez-Naranjo; Gheorghe Paun; Agust{\'\i}n Riscos-N{\'u}{\~n}ez; Francisco J. Romero-Campero (eds.)},
	pages = {XII+284},
	publisher = {F{\'e}nix Editora},
	address = {Sevilla, Espa{\~n}a},
	isbn = {84-611-0520-6},
	author = {Miguel A. Guti{\'e}rrez-Naranjo and Gheorghe Paun and Agust{\'\i}n Riscos-N{\'u}{\~n}ez and Francisco J. Romero-Campero}
}
