<style face="normal" font="default" size="100%">Analysis of Tree Rings and Climatic Changes</style>

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<style face="normal" font="default" size="100%">Analysis of Tree Rings and Climatic Changes</style>

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<style face="normal" font="default" size="100%">Climatic Information from Analysis of Cellulose Lignin and Whole Wood from Tree Rings</style>

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<style face="normal" font="default" size="100%">Address at High School on Halleys Comet</style>