Di li qu hua wen ti yan jiu : wei nong ye mu di fu wu de wu ke lan zi ran li shi qu hua de tao lun hui bao gao ti gang 地理区划問題研究 : 为农业目的服务的烏克兰自然历史区划的討論会报告提綱
shang wu yin shu guan, 1959
Institute of Botany, CAS and Internet Archive
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