北京市司法局努力做到四个“提升” 促进监所持续安全稳定 (Four "Enhancements" of Beijing Justice Bureau to Promote Continued Security and Stability in Detention Facilities)
Legal Daily, June 6, 2012
http://www.legaldaily.com.cn/News_Center/content/2012-06/06/content_3621230.htm