《资治通鉴·梁纪·梁纪十四》
华州刺史宇文导带领人马攻进咸阳，杀掉了慕容思庆，捉住了于伏德，又南渡渭河，与宇文泰汇合，然后向赵青雀发起了进攻，挫败了对方。
华州刺史宇文导引兵袭咸阳，斩思庆，擒伏德。南度渭，与泰会攻青雀，破之。
Yuwen Du, the governor of Huazhou, led his troops to attack Xianyang, killed Murong Siqing, captured Yu Fu De, crossed the Weihe River to the south, joined Yuwen Tai, and then attacked Zhao Qingque and defeated him.