Biblio
“El Cometa De Halley”. Tucson Citizen. Tucson Citizen.
. 1910. “Elevated Atmospheric Carbon Dioxide Impacts Carbon Dynamics In A C(4)-Sorghum-Soil Agroecosystem: An Application Of Stable Carbon Isotopes (Delta Carbon-13) In Tracing The Fate Of Carbon In The Atmosphere-Plant-Soil Ecosystem”. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=885700691&sid=10&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 2005. . 1981.
. 1996.
“Evidence Of Climatic Effects In The Annual Rings”. Ecology 1 (No. 1). Ecology.
. 1920. 
“Evidences Of Cycles In Tree Ring Records”. Proceedings Of The National Academy Of The Sciences. Proceedings Of The National Academy Of The Sciences.
. 1933. 
Expanded Tree-Ring Chronologies For The Southwestern United States. Chronology Series Iii. Chronology Series Iii. Tucson: Laboratory of Tree-Ring Research.
. 1978. 
“Extracting Cultural Information From Ship Timber”. Anthropology / Nautical Archaeology. Anthropology / Nautical Archaeology. Texas A&M University. http://search.proquest.com/docview/856582319?accountid=8360.
. 2010. 
“The Feasibility Of Augmenting Hydrologic Records Using Tree-Ring Data”. Hydrology And Water Resources. Hydrology And Water Resources. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=760166291&sid=14&Fmt=1&clientId=43922&RQT=309&VName=PQD.
. 1971. “Feasibility Of Using Tree-Ring Chronologies To Augment Hydrologic Records In Tasmania, Australia”. School Of Renewable Natural Resources. School Of Renewable Natural Resources. University of Arizona.
. 1980. . 1987.
. 1994.
“Fire Histories Of Upper Elevation Forests In The Gila Wilderness, New Mexico Via Fire Scar And Stand Age Structure Analyses”. School Of Renewable Natural Resources. School Of Renewable Natural Resources. Tucson: University of Arizona.
. 1997. 
“Fire History And Fire Climate Relationships In Upper Elevation Forests Of The Southwestern United States”. School Of Natural Resources. School Of Natural Resources. Tucson: University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=1375523671&sid=1&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 2007. . 1998.
“Fire History In Riparian Canyon Pine-Oak Forests And The Intervening Desert Grasslands Of The Southwest Borderlands: A Dendroecological, Historical, And Cultural Inquiry”. School Of Renewable Natural Resources. School Of Renewable Natural Resources. Tucson: University of Arizona.
. 1998. 
“Fire History Of The Gila Wilderness, New Mexico”. Department Of Renewable Natural Resources. Department Of Renewable Natural Resources. Tucson: University of Arizona.
. 1983. 
. 1984.
“Fire-Climate-Vegetation Interactions In Subalpine Forests Of The Selway-Bitterroot Wilderness Area, Idaho And Montana, Usa”. Geography And Regional Development. Geography And Regional Development. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=765957031&sid=4&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 2003. “The First Satellite Of Jupiter”. Abdruck Aus Den Astr. Nachr. Bd. 146.. Abdruck Aus Den Astr. Nachr. Bd. 146.
. 1898. 
.
. 1990.
“Forms Of Jupiter's Satellites”. Popular Astronomy. Popular Astronomy.
. 1894. 
“Freshwater Fish-A Global Food Potential”. Ambio. Ambio.
. 1977.