<?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%">Zimov, S.A.</style></author><author><style face="normal" font="default" size="100%">Davydov, S.P.</style></author><author><style face="normal" font="default" size="100%">Zimova, G.M.</style></author><author><style face="normal" font="default" size="100%">Davydova, A.I.</style></author><author><style face="normal" font="default" size="100%">Chapin III, F.S.</style></author><author><style face="normal" font="default" size="100%">Chapin, M.C.</style></author><author><style face="normal" font="default" size="100%">Reynolds, J.B.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Contribution of disturbance to increasing seasonal amplitude of atmospheric CO2</style></title><secondary-title><style face="normal" font="default" size="100%">Science</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">BNZ</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1999</style></year></dates><volume><style face="normal" font="default" size="100%">284</style></volume><pages><style face="normal" font="default" size="100%">1973-1976</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.1999-76818</style></accession-num></record></records></xml>