TY - RPRT TI - Coupling CTH to Linear Acoustic Propagation across an Air-Earth Interface AU - Preston, Leiph A. AU - Eliassi, Mehdi AU - Poppeliers, Christian PY - 2020 DO - 10.2172/1669199 UR - https://www.osti.gov/biblio/1669199 ID - 1669199 ER -