<?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%">Groffman, Peter M.</style></author><author><style face="normal" font="default" size="100%">Altabet, M.A.</style></author><author><style face="normal" font="default" size="100%">Böhlke, J.K.</style></author><author><style face="normal" font="default" size="100%">Butterbach-Bahl, K.</style></author><author><style face="normal" font="default" size="100%">David, M.B.</style></author><author><style face="normal" font="default" size="100%">Firestone, M.K.</style></author><author><style face="normal" font="default" size="100%">Giblin, A. E.</style></author><author><style face="normal" font="default" size="100%">Kana, T.M.</style></author><author><style face="normal" font="default" size="100%">Nielsen, L.P.</style></author><author><style face="normal" font="default" size="100%">Voytek, M.A.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Methods for measuring denitrification: Diverse approaches to a difficult problem</style></title><secondary-title><style face="normal" font="default" size="100%">Ecol. 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