Garfin, Gregg Marc. 1998. ?Sierra Nevada Tree Rings And Atmospheric Circulation?. Geoscience. Geoscience. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=733009441&sid=28&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Biondi, Franco. 1994. ?Spatial And Temporal Reconstruction Of Twentieth-Century Growth Trends In A Naturally-Seeded Pine Forest?. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=740900561&sid=29&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Hughes, MK, VC LaMarche, JR Pilcher, and PM Kelly. Climate From Tree Rings. Cambridge University Press.