著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Orlov, D. S. (Dmitriĭ Sergeevich) and Kothekar, V. S.",Humic substances of soils and general theory of humification,,A.A. Balkema,1995,Russian translations series,,906191955X,,https://cir.nii.ac.jp/crid/1130000795635120000