@article {131,
	title = {In Situ Photosynthetic Differentiation of the Green Algal and the Cyanobacterial Photobiont in the Crustose Lichen Placopsis contortuplicata},
	journal = {Oecologia},
	volume = {98},
	number = {2},
	year = {1994},
	pages = {212-220},
	chapter = {212},
	url = {http://www.jstor.org/stable/4220688},
	author = {B. Schroeter}
}
