<?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%">胡敏 张子睿</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">2013~2020年北京大气PM_(2.5)和O_3污染演变态势与典型过程特征</style></title><secondary-title><style face="normal" font="default" size="100%">科学通报</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2022</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://www.sciengine.com/CSB/doi/10.1360/TB-2021-0753;JSESSIONID=6ae1775a-2303-48da-96dc-a1f8387f0a70</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">67</style></volume><pages><style face="normal" font="default" size="100%">1995-2007</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">18</style></issue></record></records></xml>