<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>32</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Whitfield, C. J.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A dynamic modelling assessment of the chemical response of soils and surface waters to changes in sulphur and nitrogen deposition in the Athabasca oil sands region</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">air emissions</style></keyword><keyword><style  face="normal" font="default" size="100%">chemistry</style></keyword><keyword><style  face="normal" font="default" size="100%">model / modeling</style></keyword><keyword><style  face="normal" font="default" size="100%">nitrogen / NOx</style></keyword><keyword><style  face="normal" font="default" size="100%">soil properties</style></keyword><keyword><style  face="normal" font="default" size="100%">sulphur and SO2</style></keyword><keyword><style  face="normal" font="default" size="100%">water quality</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.collectionscanada.gc.ca/obj/thesescanada/vol2/002/NR53097.PDF</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Trent University Faculty of Arts and Science Peterborough Ontario.  Ph.D. Thesis.  169 pp.</style></publisher><language><style face="normal" font="default" size="100%">eng</style></language><custom4><style face="normal" font="default" size="100%">OSEMB</style></custom4></record></records></xml>