著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) PARONUZZI P.,Probabilistic approach for design optimization of rockfall protective barriers,Quarterly Journal of Engineering Geology,,,1989,22,,175-183,https://cir.nii.ac.jp/crid/1571135651401876736,https://doi.org/10.1144/gsl.qjeg.1989.022.03.02