@article{oai:u-ryukyu.repo.nii.ac.jp:02006497, author = {大屋, 一弘 and Oya, Kazuhiro}, issue = {143}, journal = {琉大農家便り}, note = {紀要論文}, pages = {4--8}, title = {粘土鉱物のはなし -その生成と種類と性質について} }