This document may be downloaded, read, stored and printed for your own use within the limits of § 53 UrhG but it may not be distributed via the internet or passed on to external parties.Dieses Dokument darf im Rahmen von § 53 UrhG zum eigenen Gebrauch kostenfrei heruntergeladen, gelesen, gespeichert und ausgedruckt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.Elschner, JohannesYamamoto, Masahiro2016-03-242019-06-2820090946-8633https://doi.org/10.34657/3444https://oa.tib.eu/renate/handle/123456789/2196We consider the third and fourth exterior boundary value problems of linear isotropic elasticity and present uniqueness results for the corresponding inverse scattering problems with polyhedral-type obstacles and a finite number of incident plane elastic waves. Our approach is based on a reflection principle for the Navier equation.application/pdfeng510Inverse scattering problemuniquenesselastic wavespolyhedral obstacleReport