@article {626,
	title = {Lichen Guilds Share Related Cyanobacterial Symbionts},
	journal = {Science, New Series},
	volume = {297},
	number = {5580},
	year = {2002},
	month = {07/2002},
	pages = {357},
	chapter = {357},
	url = {http://www.sciencemag.org/cgi/content/full/297/5580/357},
	author = {Rikkinen, Jouko and Ilona Oksanen and Katileena Lohtander}
}
