@book {614,
	title = {Tree-Ring Dates from Arizona U-W Gila-Salt Rivers Area},
	year = {1971},
	publisher = {University of Arizona},
	organization = {University of Arizona},
	address = {Tucson},
	keywords = {dates, dendrochronology, Gila river, southwest, tree rings},
	author = {Bannister, Bryant and Robinson, William J.}
}
@article {747,
	title = {Dendrochronology},
	year = {1963},
	keywords = {bannister, dating, dendrochronology, tree ring, tree rings},
	author = {Bannister, Bryant}
}
