商丘地区科学技术志
By: Shangqiu Diqu ke xue ji shu wei yuan hui
Publisher: Shangqiu Diqu ke xue ji shu wei yuan hui
Published: 1989
Place of publication: Shangqiu Diqu
Language: chi
Number of pages: 272
Subjects: Science; History; Technology
Other titles: Shangqiu Diqu ke xue ji shu zhi
Notes: Mimeograph edition.