著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Symposium on Acoustic Emissions in Geotechnical Engineering Practice and Drnevich, Vincent P. and Gray, R. E. and ASTM Committee D-18 on Soil and Rock for Engineering Purposes",Acoustic emissions in geotechnical engineering practice : a symposium,,ASTM,1981,ASTM special technical publication,,,,https://cir.nii.ac.jp/crid/1130282269189098368