<?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%">Blum, J. D.</style></author><author><style face="normal" font="default" size="100%">Klaue, A.</style></author><author><style face="normal" font="default" size="100%">Nezat, C.</style></author><author><style face="normal" font="default" size="100%">Driscoll, Charles T.</style></author><author><style face="normal" font="default" size="100%">Johnson, C.E.</style></author><author><style face="normal" font="default" size="100%">Siccama, T.G.</style></author><author><style face="normal" font="default" size="100%">Eagar, C.</style></author><author><style face="normal" font="default" size="100%">Fahey, T.J.</style></author><author><style face="normal" font="default" size="100%">Likens, Gene E.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Mycorrhizal weathering of apatite as an important calcium source in base-poor forest ecosystems</style></title><secondary-title><style face="normal" font="default" size="100%">Nature</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2002</style></year></dates><volume><style face="normal" font="default" size="100%">417</style></volume><pages><style face="normal" font="default" size="100%">729-731</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>