<?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%">Bo Yan</style></author><author><style face="normal" font="default" size="100%">Mei* Zheng</style></author><author><style face="normal" font="default" size="100%">Yongtao Hu</style></author><author><style face="normal" font="default" size="100%">Xiang Ding</style></author><author><style face="normal" font="default" size="100%">Amy P. Sullivan</style></author><author><style face="normal" font="default" size="100%">Rodney J. Weber</style></author><author><style face="normal" font="default" size="100%">Baek, Jaemeen</style></author><author><style face="normal" font="default" size="100%">Eric S. Edgerton</style></author><author><style face="normal" font="default" size="100%">Armistead G.* Russell</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Roadside, urban, and rural comparison of primary and secondary organic molecular markers in ambient PM2.5</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental science &amp; technology</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">June</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1021/es900316g</style></url></web-urls></urls><number><style face="normal" font="default" size="100%">12</style></number><volume><style face="normal" font="default" size="100%">43</style></volume><pages><style face="normal" font="default" size="100%">4287—4293</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><custom7><style face="normal" font="default" size="100%">000266968500013</style></custom7></record></records></xml>