《新唐书·列传·卷一百四十一》
山南西道节度使严震在芳州击破虏军，攻克黑水壁，焚毁吐蕃的积储。
山南西道节度使严震破虏于芳州，取黑水壁，焚积聚。
Shannan Xidao circuit envoy Streakshen Yan defeated the enemy troops in Fangzhou, conquered Heishui wall and burned down the storage of Xizang.