@other{https://resolver.caltech.edu/CaltechAUTHORS:20151027-140622202,
    title = "Skylab-4 visual observations project: Geological features of southwestern North America",
    year = "1975",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20151027-140622202",
    id = "record"
}