@other{https://data.caltech.edu/records/pkbb7-7gz15,
    title = "Orange-brown jasper spectrum",
    year = "2017",
    url = "https://data.caltech.edu/records/pkbb7-7gz15",
    id = "record",
    doi = "10.22002/D1.209"
}


@other{https://data.caltech.edu/records/svz19-6zd58,
    title = "Red jasper spectrum",
    year = "2017",
    url = "https://data.caltech.edu/records/svz19-6zd58",
    id = "record",
    doi = "10.22002/D1.208"
}