Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kameyama Kouji and Matsukawa Susumu and Ishida Tomoyasu and Kato Hidemasa,Soil Solution Concentration Prediction of Volcanic Ash Soil upon Addition of Acid Solutions differ in Anion Composition,Journal of the Japanese Society of Soil Physics,03876012,Japanese Society of Soil Physics,2003,93,0,3-11,https://cir.nii.ac.jp/crid/1390852637335383680,https://doi.org/10.34467/jssoilphysics.93.0_3