<?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%">Bergsma, T.T.</style></author><author><style face="normal" font="default" size="100%">Bergsma, Q.C.</style></author><author><style face="normal" font="default" size="100%">Ostrom, N.E.</style></author><author><style face="normal" font="default" size="100%">Robertson, G.P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A heuristic model for the calculation of dinitrogen and nitrous oxide flux for 15N-labeled soil</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">KBS</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1999</style></year></dates><volume><style face="normal" font="default" size="100%">63</style></volume><pages><style face="normal" font="default" size="100%">1709-1716</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.1999-11011</style></accession-num></record></records></xml>