@Work{OL527464W,
    title: {Think and Grow Rich},
    author: {Napoleon Hill and Jonathan C. Young},
    first_publish_year: {1937}
}

@Author{OL37117A,
    name: {Napoleon Hill},
    birth_date: {1883}
    , death_date: {1970}
}
@Author{OL4680306A,
    name: {Jonathan C. Young},
}