"Version: 20251201"--Title page verso.Includes bibliographical references.1. Introduction / Ekhard K.H. Salje and Guillaume F. Nataf -- 2. Ferroelastic phase transitions--well-known results and new perspectives / Wilfried Schranz, Andreas Tr?oster and Michael A. Carpenter -- 3. Symmetry aspects of ferroelastic domains and domain walls / Jirka Hlinka and Petr Ondrejkovi?ec -- 4. Response of ferr…