Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
松倉 公憲 and 青木 久,The Schmidt Hammer : A Brief Review and Some Problems in Geomorphology,"地形 = Transactions, Japanese Geomorphological Union",03891755,宇治 : 日本地形学連合,2004-04,25,2,175-196,https://cir.nii.ac.jp/crid/1520290882510211072,