《魏书·列传·卷三十五》
卢渊以兵少粮乏，上表请求先攻赭阳。因它靠近叶城粮仓的缘故。
渊以兵少粮乏，表求先攻赭阳，以近叶仓故也。
Lu Yuan submitted a memorial in which he requested to attack Zhiyang first, as it was near the Yecheng granary, because he was short of troops and food.