<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Thomas Stephens</style></author><author><style face="normal" font="default" size="100%">David McCready</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Study of Ambient Air Quality and Visibility in the Great Smoky Mountains National Park</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Air quality</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Visibility</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1982</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Virginia Polytechnic Institute and State University</style></publisher><pub-location><style face="normal" font="default" size="100%">Blacksburg, VA</style></pub-location><pages><style face="normal" font="default" size="100%">218</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>