<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>19</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">unknown</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Climatic Information from Analysis of Cellulose Lignin and Whole Wood from Tree Rings</style></title><secondary-title><style face="normal" font="default" size="100%">Nature</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">analysis</style></keyword><keyword><style  face="normal" font="default" size="100%">cellulose</style></keyword><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%">lignin</style></keyword><keyword><style  face="normal" font="default" size="100%">tree ring</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1977</style></year></dates><volume><style face="normal" font="default" size="100%">270</style></volume><issue><style face="normal" font="default" size="100%">No. 5639</style></issue><notes><style face="normal" font="default" size="100%">Copies of this are available from the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu</style></notes></record></records></xml>