<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Leavitt, Peter R.</style></author><author><style face="normal" font="default" size="100%">Vinebrook, Rolf D.</style></author><author><style face="normal" font="default" size="100%">Donald B.</style></author><author><style face="normal" font="default" size="100%">Smol, John P.</style></author><author><style face="normal" font="default" size="100%">Schindler, David W.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Past ultraviolet radiation environments in lakes derived from fossil pigments</style></title></titles><dates><year><style  face="normal" font="default" size="100%">1997</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://0-proquest.umi.com.aupac.lib.athabascau.ca/pqdweb?index=173&amp;did=510028691&amp;SrchMode=1&amp;sid=2&amp;Fmt=6&amp;VInst=PROD&amp;VType=PQD&amp;RQT=309&amp;VName=PQD&amp;TS=1219248456&amp;clientId=12302</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Nature</style></publisher><volume><style face="normal" font="default" size="100%">388</style></volume><pages><style face="normal" font="default" size="100%">457-459</style></pages><language><style face="normal" font="default" size="100%">en</style></language><custom1><style face="normal" font="default" size="100%">Biology</style></custom1><custom2><style face="normal" font="default" size="100%">Jasper National Park</style></custom2><custom4><style face="normal" font="default" size="100%">Science</style></custom4></record></records></xml>