TY - RPRT TI - Principles underlying 2-D phononic pseudocrystal isolators AU - Swift, Stephen Hales AU - El-Kady, Ihab Fathy AU - Kellogg, Rick A. PY - 2023 DO - 10.2172/2430943 UR - https://www.osti.gov/biblio/2430943 ID - 2430943 ER -