保定地区科学技术志
By: Baoding Diqu ke xue ji shu zhi bian ban shi
Publisher: Baoding Diqu ke xue ji shu zhi bian ban shi
Published: 1989
Place of publication: Baoding Shi
Language: chi
Number of pages: 332
Subjects: Science; History; Technology
Other titles: Baoding Diqu ke xue ji shu zhi