Weishu, vol. 103 "車鹿會既為部帥，歲貢馬畜、貂豽皮，冬則徙度漠南，夏則還居漠北。"Cheluhui, since made tribal chief, every year tributed domesticated horses and skins of martens and seals. In winter, they [Rourans] moved southwards across desert; in summer they returned to dwell north of the desert."
