TY - BOOK AU - Li Zhiqin AU - 李之勤 TI - Xi bei shi di yan jiu T2 - Dong-bei-ya yan-jiu SN - 7534813638 PY - 1995/// KW - Ethnology -- General -- North-west China KW - History -- General -- North-west China -- Post Roads KW - History -- General -- North-west Asia -- Waterways ER -