@article {41083,
	title = {Past ultraviolet radiation environments in lakes derived from fossil pigments},
	volume = {388},
	year = {1997},
	pages = {457-459},
	publisher = {Nature},
	url = {http://0-proquest.umi.com.aupac.lib.athabascau.ca/pqdweb?index=173\&did=510028691\&SrchMode=1\&sid=2\&Fmt=6\&VInst=PROD\&VType=PQD\&RQT=309\&VName=PQD\&TS=1219248456\&clientId=12302},
	author = {Leavitt, Peter R. and Vinebrook, Rolf D. and Donald B. and Smol, John P. and Schindler, David W.}
}
