<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Kayler, Zachary E.</style></author><author><style face="normal" font="default" size="100%">Sulzman, Elizabeth W.</style></author><author><style face="normal" font="default" size="100%">Marshall, John D.</style></author><author><style face="normal" font="default" size="100%">Mix, Alan C.</style></author><author><style face="normal" font="default" size="100%">Rugh, William D.</style></author><author><style face="normal" font="default" size="100%">Bond, Barbara J</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A laboratory comparison of two methods used to estimate the isotopic composition of soil d13CO2 efflux at steady state</style></title><secondary-title><style face="normal" font="default" size="100%">Rapid Communications in Mass Spectrometry</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">AND</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://andrewsforest.oregonstate.edu/pubs/pdf/pub4577.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">22</style></volume><pages><style face="normal" font="default" size="100%">2533-2538</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2008-86411</style></accession-num></record></records></xml>