@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", 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", url = "https://resolver.caltech.edu/CaltechAUTHORS:20200114-140900332", id = "record", isbn = "978-0-8218-1116-0" }