刘铁男案暴露能源审批利益链：每环都有寻租空间 (Liu Tienan corruption case exposes chain of interests: rent-seeking opportunities in every step) 21 Century Business Herald, August 23, 2013 http://jingji.21cbh.com/2013/8-22/2MNjUxXzc0Nzg2MA.html