@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20111117-075112891,
    title = "Fundamental Physics of Ferroelectrics 2001",
    chapter = "First-principles computation of elasticity of
 Pb(Zr,Ti)O\_3: The importance of elasticity in
 piezoelectrics",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20111117-075112891",
    id = "record",
    isbn = "0-7354-0021-0",
    doi = "10.1063/1.1399685"
}