Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
TAMURA S.,"On humic acids of volcanic ash soils (""wet type"") in frost region of Hokkaido, Japan(What may contribute humus investigation to soil genesis?,Symposium)",Pedologist,0031-4064,Japanese Society of Pedology,1960-12-30,4,2,94-98,https://cir.nii.ac.jp/crid/1390845712971231360,https://doi.org/10.18920/pedologist.4.2_94