@article {935,
	title = {Interim Progress Report Dendrochronology of Bristlecone Pine},
	year = {1968},
	month = {06/1968},
	institution = {Laboratory of Tree-Ring Research},
	type = {Interim Progress Report},
	address = {Tucson},
	keywords = {bristlecone pine, california, dendrochronology, NSF, pinus aristata, progress report, radiocarbon, white mountains},
	author = {Ferguson, C.W.}
}
@article {938,
	title = {Report on the Chronology Phase of the Bristlecone Pine Study},
	institution = {Laboratory of Tree-Ring Research},
	address = {Tucson},
	keywords = {bristlecone pine, california, chronology phase, dendrochronology, extend, pinus aristata, white mountains},
	author = {Ferguson, C.W.}
}
