Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Itô H. and Sakuma D. and Yanagisawa N. and Shirai H.,Relationship between Stand Structure of a Secondary Forest on the Keihanna Hills and Soil Hardness.,Journal of the Japanese Forest Society,13498509,The Japanese Forest Society,2006,88,1,42-45,https://cir.nii.ac.jp/crid/1390282680205218304,https://doi.org/10.4005/jjfs.88.42