寧夏靑銅峽灌區渠首志
By: Qushou guan li chu bian
Publisher: Qushou guan li chu
Published: 1993
Place of publication: Qingtongxia Shi
Language: chi
Number of pages: 110
Subjects: Hydraulic engineering; History
Other titles: Ningxia Qingtong Xia guan qu Qushou zhi