Biblio

Fritts, H. 1977. “Tree Rings A Record Of Climate Past”. Washington, D.C. : U.S. Department of Commerce National Oceanic and Atmospheric Environmental Data Service.

Peterson, Roy M, and AE Douglass. 1944. “Tree Rings And Climatic Cycles, Laboratory Of Tree-Ring Research, Astronomical Studies”. Phi Kappa Phi Journal. Phi Kappa Phi Journal. Tucson: University of Arizona.

LaMarche, VC. 1978. “Tree-Ring Evidence Of Past Climatic Variability”. Nature 276 (No. 5686). Nature.

Douglass, AE. 1931. “Trees And Droughts In Arizona”. Professional Engineer. Professional Engineer.

Cook, Edward Roger. 1985. “The Use And Limitation Of Dendrochronology In Studying The Effects Of Air Pollution On Forests”. Proceedings Of Nato Advanced Research Workshop: Effects Of Acidic Deposition On Forests, Wetlands And Agricultural Ecosystems. Proceedings Of Nato Advanced Research Workshop: Effects Of Acidic Deposition On Forests, Wetlands And Agricultural Ecosystems.

Douglass, AE. 1908. “Weather Cycles In The Growth Of Big Trees”. Monthly Weather Review. Monthly Weather Review.