title: Pseudo-Jahn-teller effect--a two-state paradigm in formation, deformation, and transformation of molecular systems and solids.
authors.affiliation: Institute for Theoretical Chemistry, Department of Chemistry & Biochemistry, The University of Texas at Austin, Austin, Texas 78712, United States. bersuker@cm.utexas.edu
authors.forename: Isaac B
authors.initials: IB
authors.lastname: Bersuker