人工红松林杈干形成与控制研究——Ⅲ杈干的综合控制
인공홍송림차간형성여공제연구——Ⅲ차간적종합공제
Study on Formation and Control of Useless Branch of Korean Pine-Ⅲ, Integrated Prevention and Handling of Useless Branch
저자의 최근 논문