Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BEARE MH,Aggregate-protected and unprotected organic matter pools in conventional- and no-tillage soils,Soil Sci. Soc. Am. J.,,,1994,58,,787-795,https://cir.nii.ac.jp/crid/1571980076604254720,