<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Dean, Jeffrey S.</style></author><author><style face="normal" font="default" size="100%">Robinson, William J.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Dendroclimatic Variability in the American Southwest A.D. 680 to 1970</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">dendroclimatology</style></keyword><keyword><style  face="normal" font="default" size="100%">department</style></keyword><keyword><style  face="normal" font="default" size="100%">interior</style></keyword><keyword><style  face="normal" font="default" size="100%">national park service</style></keyword><keyword><style  face="normal" font="default" size="100%">paleoclimate</style></keyword><keyword><style  face="normal" font="default" size="100%">report</style></keyword><keyword><style  face="normal" font="default" size="100%">southwest</style></keyword><keyword><style  face="normal" font="default" size="100%">tree ring</style></keyword><keyword><style  face="normal" font="default" size="100%">variability</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1977</style></year><pub-dates><date><style  face="normal" font="default" size="100%">03/1977</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Laboratory of Tree-Ring Research</style></publisher><pub-location><style face="normal" font="default" size="100%">Tucson</style></pub-location><language><style face="normal" font="default" size="100%">English</style></language></record></records></xml>