<?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%">Olszyna, Kenneth J</style></author><author><style face="normal" font="default" size="100%">Bairai, Solomon T</style></author><author><style face="normal" font="default" size="100%">Tanner, Roger L</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effect of Ambient NH3 Levels on PM2.5 Composition in the Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">Atmospheric Environment</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Acid rain</style></keyword><keyword><style  face="normal" font="default" size="100%">Air quality</style></keyword><keyword><style  face="normal" font="default" size="100%">Pollution</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2005</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">39</style></volume><pages><style face="normal" font="default" size="100%">4593-4606</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">25</style></issue></record></records></xml>