DJ, Ju-K'un: Discussion on the problems of the soil classification at the Meeting of the Soil Science Society of China
魯如坤: 中国土壌学会土壌分類分科会の討論内容

Y. TOTANI
Pedologist  
doi:10.18920/pedologist.7.1_46 fatcat:3ehu75gkgrdgxcr4veowvfwz7y