@other{https://resolver.caltech.edu/CaltechAUTHORS:20190404-111038658,
    title = "Data Assimilation and Inverse Problems",
    year = "2018",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20190404-111038658",
    id = "record",
    doi = "10.48550/arXiv.1810.06191"
}