<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">C.H. Cheng</style></author><author><style face="normal" font="default" size="100%">J. Lehmann</style></author><author><style face="normal" font="default" size="100%">M. Engelhard</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Natural Oxidation of Black Carbon in Soils: Changes in Molecular Form and Surface Charge Along a Climosequence</style></title><secondary-title><style face="normal" font="default" size="100%">Geochimica et Cosmochimica Acta</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><volume><style face="normal" font="default" size="100%">72</style></volume><pages><style face="normal" font="default" size="100%">1598-1610</style></pages></record></records></xml>
