title: Introduction to the special issue on acoustic metamaterials.
authors.forename: Andrew N
authors.initials: AN
authors.lastname: Norris
authors.forename: Michael R
authors.initials: MR
authors.lastname: Haberman
mesh_terms: D000162:Acoustics / Q000295:instrumentation*; D055119:Elastic Modulus; D008420:Manufactured Materials; D008962:Models, Theoretical; D009038:Motion; D013016:Sound