TY - JOUR T1 - Analysis of Tree Rings and Climatic Changes Y1 - 1978 A1 - unknown KW - changes KW - climate KW - dendrochronology KW - environment KW - tree rings ER - TY - MGZN T1 - Climatic Information from Analysis of Cellulose Lignin and Whole Wood from Tree Rings Y1 - 1977 A1 - unknown KW - analysis KW - cellulose KW - climate KW - dendrochronology KW - lignin KW - tree ring KW - tree rings JF - Nature VL - 270 IS - No. 5639 N1 - Copies of this are available from the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu ER - TY - NEWS T1 - Address at High School on Halleys Comet T2 - Tucson Citizen Y1 - 1910 A1 - unknown KW - address KW - comet KW - Douglass KW - Halleys KW - high school KW - historic JF - Tucson Citizen CY - Tucson N1 - This title is available through the Tree Ring Laboratory; please contact the lab for more information. ER -