<?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></contributors><titles><title><style face="normal" font="default" size="100%">Wang Q.L., Wei W., Liu S.T., Yan M.Q., Song K., Mai J., et al., 2018. Free ammonia pretreatment improves degradation of secondary sludge during aerobic digestion. &lt;em&gt;ACS Sustainable Chemistry &amp;amp; Engineering &lt;/em&gt;6(1),1105-1111.</style></title></titles><dates><year><style  face="normal" font="default" size="100%">2018</style></year></dates><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>