@Work{OL503666W,
    title: {Don Quixote},
    author: {Miguel de Cervantes Saavedra},
    first_publish_year: {1600}
}

@Author{OL66452A,
    name: {Miguel de Cervantes Saavedra},
    birth_date: {29 Sep 1547}
    , death_date: {23 Apr 1616}
}