@misc{oai:nagasaki-u.repo.nii.ac.jp:00027332, author = {志, 強}, month = {Mar}, note = {長崎大学学位論文 [学位記番号]博(水・環)甲第79号 [学位授与年月日]令和4年3月18日, (2022-03-18)}, title = {Classification and assessment of groundwater chemistry in the regional basin, using self-organizing maps}, year = {2022} }