陇县科技志
By: Long Xian ke xue ji shu wei yuan hui bian
Series: Long Xian di fang zhi cong shu
Publisher: Long Xian ke xue ji shu wei yuan hui
Published: 1986
Place of publication: Long Xian
Language: chi
Number of pages: 199
Subjects: History
Other titles: Long Xian ke ji zhi