@article{oai:rakuno.repo.nii.ac.jp:00006882, author = {Hobara, Satoru and Ogawa, Hiroshi and Benner, Ronald}, journal = {Geoderma}, month = {Aug}, note = {Article}, title = {Amino acids and amino sugars as molecular indicators of the origins and alterations of organic matter in buried tephra layers}, volume = {373}, year = {2020} }