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 "Weder, Ricardo",Spectral and scattering theory for wave propagation in perturbed stratified media,,Springer-Verlag,1991,Applied mathematical sciences,,"0387973575,3540973575",,https://cir.nii.ac.jp/crid/1130282269595915008