《宋史·列传·卷一百一十九》
宗泽派遣部将李景良、阎中立、郭俊民领兵前往郑州，和敌人相遇，双方大战，阎中立战死，郭俊民投降，李景良逃跑。
泽遣部将李景良、阎中立、郭俊民领兵趋郑，遇敌大战，中立死之，俊民降，景良遁去。
Zong Ze sent his generals Li Jingliang, Yan Zhongli, and Guo Junmin to lead troops to Zhengzhou. Upon arrival, they encountered the enemy and engaged in a fierce battle. Yan Zhongli was killed in action, Guo Junmin surrendered, and Li Jingliang fled.