@article {674,
	title = {Cyanoliches: Their response to pollution and possible management strategies for their conservation in northeastern North America},
	journal = {Northeastern Naturalist},
	volume = {11},
	number = {1},
	year = {2004},
	pages = {1-22},
	chapter = {1},
	author = {David H.S. Richardson and Robert P. Cameron}
}
