@other{https://resolver.caltech.edu/CaltechEERL:1998.EERL-97-03,
    title = "A performance-based optimal structural design methodology",
    year = "1998",
    url = "https://resolver.caltech.edu/CaltechEERL:1998.EERL-97-03",
    id = "record"
}


@other{https://resolver.caltech.edu/CaltechEERL:1997.EERL-97-06,
    title = "Optimal design of building structures using genetic algorithms",
    year = "1997",
    url = "https://resolver.caltech.edu/CaltechEERL:1997.EERL-97-06",
    id = "record"
}