@book{https://authors.library.caltech.edu/records/efnv9-q0228,
    author = "Greenstein, Jesse L.",
    title = "Optical and radio astronomy in the early years",
    year = "1984",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20150316-103355782",
    id = "https://authors.library.caltech.edu/records/efnv9-q0228",
    isbn = "9780521616027",
    pages = "67-81"
}