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[ Author] Title Type Year Filters: Keyword is tree ring laboratory [Clear All Filters]
“Tree Rings And Climatic Cycles, Laboratory Of Tree-Ring Research, Astronomical Studies”. Phi Kappa Phi Journal. Phi Kappa Phi Journal. Tucson: University of Arizona.
. 1944. Peterson, Roy M_Phi Kappa Phi Journal_1944.pdf (75.53 MB)