@article{journals/alife/DowningZ99,
	title = {The Simulated Evolution of Biochemical Guilds: Reconciling Gaia Theory and Natural Selection.},
	author = {Keith L. Downing and Peter Zvirinsky},
	journal = {Artificial Life},
	number = {4},
	pages = {291-318},
	url = {http://dblp.uni-trier.de/db/journals/alife/alife5.html#DowningZ99},
	volume = {5},
	year = {1999},
	biburl = {http://www.bibsonomy.org/bibtex/2095d361bdbbb1ccac02bd809964d34ae/dblp},
	description = {dblp},
	date = {2003-03-20},
	keywords = {dblp }
}