桂阳县科技志
By: Hunan Sheng Guiyang Xian ke ji zhi bian zuan ling dao xiao zu
Publisher: Hunan Sheng Guiyang Xian ke ji zhi bian zuan ling dao xiao zu
Published: 1989
Place of publication: Guiyang Xian
Language: chi
Number of pages: 129
Subjects: History
Other titles: Guiyang Xian ke ji zhi