TY - Generic T1 - Evidences of Cycles in Tree Ring Records T2 - Proceedings of the National Academy of the Sciences Y1 - 1933 A1 - Douglass, A.E. KW - address KW - cycles KW - Douglass KW - evidence KW - historic KW - proceedings of the national academy of science KW - record KW - tree ring JF - Proceedings of the National Academy of the Sciences N1 - This is available as a physical and electronic copy through the Tree Ring Lab. Please contact the curator for more information. pcreasman@ltrr.arizona.edu ER - TY - JOUR T1 - Evidence of Climatic Effects in the Annual Rings JF - Ecology Y1 - 1920 A1 - Douglass, A.E. KW - annual rings KW - climate KW - climatic KW - Douglass KW - Ecology KW - effect KW - effects KW - evidence KW - historic KW - rings KW - tree VL - 1 IS - No. 1 ER -