<?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%">T. Wang</style></author><author><style face="normal" font="default" size="100%">Du, Z.</style></author><author><style face="normal" font="default" size="100%">Tan, T.</style></author><author><style face="normal" font="default" size="100%">Xu, N.</style></author><author><style face="normal" font="default" size="100%">Hu, M.</style></author><author><style face="normal" font="default" size="100%">J. Hu</style></author><author><style face="normal" font="default" size="100%">Guo, S.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Measurement of aerosol optical properties and their potential source origin in urban Beijing from 2013-2017</style></title><secondary-title><style face="normal" font="default" size="100%">Atmospheric EnvironmentAtmospheric Environment</style></secondary-title><short-title><style face="normal" font="default" size="100%">Atmos. Environ.</style></short-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><edition><style face="normal" font="default" size="100%">12 March 2019</style></edition><volume><style face="normal" font="default" size="100%">206</style></volume><pages><style face="normal" font="default" size="100%">293-302</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><section><style face="normal" font="default" size="100%">293</style></section></record></records></xml>