Biblio
. Anon.1963. Continuation of Studies on the Dendrochronology of Bristlecone Pine (Pinus aristata Englem.) (Continuation of Research Grant NSF-G 19949): A Research Proposal . Tucson: Laboratory of Tree-Ring Research.
. Anon.1960. Dendrochronology of Bristlecone Pine (Pinus aristata Engelm) as a Basis for the Extension of Dendroclimatic Indices: Research Proposal. Tucson: Laboratory of Tree-Ring Research.
. Anon.1968. Interim Progress Report Dendrochronology of Bristlecone Pine. Tucson: Laboratory of Tree-Ring Research.
. Anon.n.d. Report on the Chronology Phase of the Bristlecone Pine Study. Tucson: Laboratory of Tree-Ring Research.
. Anon.1968. Tree-Ring Growth in High-Altitude Bristlecone Pine as Related to Meteorological Factors: Research Proposal. Tucson: Laboratory of Tree-Ring Research.
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