辽阳县科学技术大事记
Subtitle: zheng qiu yi jian gao : gong yuan qian 300 nian - gong yuan 1989 nian
By: Liaoyang Xian ke xue ji shi wei yuan hui bian
Publisher: Liaoning Sheng wen hua ting wen hua zhi bian ji bu
Published: 1989
Place of publication: Shenyang Shi
Language: chi
Number of pages: 84
Subjects: Science; History; Chronology; Technology
Other titles: Liaoyang Xian ke xue ji shu da shi ji