Biblio
. Anon.1922. Some Topographic and Climatic Characters in the Annual Ring of the Yellow Pines and Sequoias of the Southwest . Proceedings of the American Philosophical Society LXI, no. No. 2. Proceedings of the American Philosophical Society.
. Anon.1920. Evidence of Climatic Effects in the Annual Rings. Ecology 1, no. No. 1. Ecology.
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