《新唐书·列传·卷一百四十一》
凤翔李晟派部将王亻必领精兵三千夜入阳，第二天逼近吐蕃中军，虏兵惊恐溃逃，结赞仅得自己脱身。
凤翔李晟遣部将王佖以锐兵三千夜入汧阳，明日，薄其中军，虏惊溃走，结赞仅自脱。
Li Sheng from Fengxiang sent his general Wang Bi to lead three thousand elite soldiers into Yang at night. The next day, he approached the Tubo army. The Tubo soldiers were terrified and fled in panic. Jiezan barely escaped with his own life.