@other{https://authors.library.caltech.edu/records/zzpde-3b947,
    authors = "Alford, J. L. and Housner, G. W. and Martel, R. R.",
    title = "Spectrum analysis of strong motion earthquakes",
    publisher = "California Institute of Technology",
    year = "2014",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140603-154739143",
    id = "https://authors.library.caltech.edu/records/zzpde-3b947"
}


@other{https://authors.library.caltech.edu/records/tmpcp-zhd80,
    authors = "Millikan, Robert A. and Martel, R. R. and Austin, John C. and Hunt, Sumner and Witmer, David J. and Hill, Raymond A. and Labarre, R. V. and Bowen, Oliver G. and Noice, Blaine and Buwalda, J. P. and Johnson, Harry R. and Connolly, P. L. and Crowell, Harold H. and Dixon, L. E. and Reed, Ralph J. and Shield, J. E. and Baskerville, Harry H. and Farmer, Zack J. and Simpson, Wm. A.",
    title = "Long Beach Earthquake and Protection Against Future Earthquakes -- Summary of Report by Joint Technical Committee on Earthquake Protection, Dr. Robert A. Millikan, Chairman",
    publisher = "Caltech Library",
    year = "2008",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:MILlberpt33",
    id = "https://authors.library.caltech.edu/records/tmpcp-zhd80"
}


@other{https://authors.library.caltech.edu/records/p1j25-k5225,
    authors = "Alford, Jack L. and Housner, George W. and Martel, R. R.",
    title = "Spectrum analyses of strong-motion earthquakes",
    publisher = "California Institute of Technology",
    year = "1964",
    url = "https://resolver.caltech.edu/CaltechEERL:1964.EERL.1964.001",
    id = "https://authors.library.caltech.edu/records/p1j25-k5225"
}