延庆公路志
By: Beijing Shi gong lu ju, Beijing Shi gong lu ju Yanqing fen ju
Edition: Di 1 ban.
Series: Beijing gong lu zhi cong shu
Publisher: Wen jin chu ban she
Published: 1995
Place of publication: Beijing
Language: chi
Number of pages: 145
Subjects: Roads; History
Other titles: Yanqing gong lu zhi