《资治通鉴·唐纪·唐纪六十七》
南诏蛮军秘密地分派军队开辟道路，越过雪坡，突然来到沐源川，窦滂派遣兖海镇将黄卓率领五百人去拒战，全军覆没。
蛮密分军伐木开道，逾雪坡，奄至沐源川。滂遣兗海将黄卓帅五百人拒之，举军覆没。
The Nanzhao barbarians secretly dispatched troops to clear a path over the snowy slopes, and they suddenly arrived in Muyuanchuan. Dou Pang sent Huang Zhuo, the general of the Yanhai garrison, to resist the battle with five hundred men, but the entire army was destroyed.