@article {682,
	title = {Some Aspects of the Use of the Annual Rings in Trees in Climatic Study},
	year = {1922},
	keywords = {annual, climate, climatic study, Douglass, environment, tree rings},
	author = {Douglass, A.E.}
}
@article {683,
	title = {Some Topographic and Climatic Characters in the Annual Ring of the Yellow Pines and Sequoias of the Southwest },
	journal = {Proceedings of the American Philosophical Society},
	volume = {LXI},
	year = {1922},
	keywords = {annual, characteristics, characters, climate, climatic, dates, dating, Douglass, environment, ring, sequoias, southwest, topographic, tree ring, tree rings, yellow pine},
	author = {Douglass, A.E.}
}
