@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20200113-091053796,
    title = "Applied Nonlinear Analysis: Proceedings of an International Conference on Applied Nonlinear Analysis",
    chapter = "Rotating Spiral Waves and Oscillations in Reaction-Diffusion Equations",
    year = "1979",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20200113-091053796",
    id = "record",
    isbn = "978-0-12-434180-7",
    doi = "10.1016/b978-0-12-434180-7.50014-0"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20200114-140900332,
    title = "Modern Modeling of Continuum Phenomena",
    chapter = "Perturbation theory",
    year = "1977",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20200114-140900332",
    id = "record",
    isbn = "978-0-8218-1116-0"
}