@book_section {CaltechAUTHORS_https://authors.library.caltech.edu/id/eprint/78945,
    title ="Rotational Anisotropy Nonlinear Harmonic Generation",
    author = "Torchinsky, Darius H. and Hsieh, David",
    
    
    
    pages = "1-49",
    month = "August",
    year = "2016",
    doi = "https://doi.org/10.1007/978-3-662-52780-1_1",
    isbn = "978-3-662-52779-5",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20170711-110806843",
}
@book_section {CaltechAUTHORS_https://authors.library.caltech.edu/id/eprint/73434,
    title ="Revealing Hidden Orders in Correlated Electron Systems with Nonlinear Optics",
    author = "Hsieh, David",
    
    
    
    pages = "1-2",
    month = "June",
    year = "2016",
    doi = "https://doi.org/10.1364/CLEO_QELS.2016.FTu1L.3",
    isbn = "978-1-943580-11-8",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20170111-132300420",
}