TY  - BOOK
AU  - Feng,Yongqian
TI  - Bei fang shi di yan jiu
SN  - 7534813638
AV  - CHI00908 
PY  - 1994///
CY  - Zhengzhou Shi
PB  - Zhongzhou gu ji chu ban she
KW  - China
KW  - Historical geography
N1  - Includes bibliographical references
ER  -