商丘市科技志, 1949-1985
By: Henan Sheng Shangqiu Shi ke ji zhi bian xie zu
Publisher: Henan Sheng Shangqiu Shi ke ji zhi bian xie zu
Published: 1987
Place of publication: Shangqiu Shi
Language: chi
Number of pages: 188
Subjects: Science; History; Technology
Other titles: Shangqiu Shi ke ji zhi, 1949-1985
Notes: Mimeograph edition.