@book{https://authors.library.caltech.edu/records/gf84c-afe58,
    author = "Wehrle, A. and Unwin, S. C. and Jones, D. L. and Meier, D. L. and Piner, B. G.",
    title = "Tracking the moving optical photocenters of active galaxies: binary black holes, accretion disks and relativistic jets",
    year = "2003",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20190221-110515783",
    id = "https://authors.library.caltech.edu/records/gf84c-afe58",
    isbn = "9780819446312",
    doi = "10.1117/12.460869",
    pages = "152-160"
}


@book{https://authors.library.caltech.edu/records/sx8z0-3b074,
    author = "Meier, David L. and Cloud, Kathleen L. and Horvath, Joan C. and Allan, Lynn D. and Hammond, Wayne H. and Maxfield, Heath A.",
    title = "A General Framework for Complex Time-Driven Simulations on Hypercubes",
    year = "1990",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20170627-164632832",
    id = "https://authors.library.caltech.edu/records/sx8z0-3b074",
    isbn = "0-8186-2113-3",
    doi = "10.1109/DMCC.1990.555372",
    pages = "117-121"
}