@article {780,
	title = {Climate and Trees},
	year = {1928},
	keywords = {climate, climatology, Douglass, environment, tree ring},
	author = {Douglass, A.E.}
}
@article {781,
	title = {Climatic Records in the Trunks of Trees},
	year = {1917},
	keywords = {climate, climatology, Douglass, environment, historic, tree ring},
	author = {Douglass, A.E.}
}
@proceedings {784,
	title = {Dendrochronology and Studies in Cyclics},
	note = {This title is available through the Tree Ring Laboratory; please contact the lab for more information. },
	keywords = {climatology, conference, cyclics, dendrochronology, Douglass, environment, historic, university of Pennsylvania},
	author = {Douglass, A.E.}
}
