@Work{OL1183596W,
    title: {The World as Will and Idea, Volume 3},
    author: {Arthur Schopenhauer},
    first_publish_year: {1909}
}

@Author{OL119580A,
    name: {Arthur Schopenhauer},
    birth_date: {22 February 1788}
    , death_date: {21 September 1860}
}