@Work{OL51940W,
    title: {Μένων},
    author: {Πλάτων},
    first_publish_year: {1869}
}

@Work{OL51784W,
    title: {Εὐθύφρων / Κρίτων / Φαίδων / Ἀπολογία Σωκράτους},
    author: {Πλάτων},
    first_publish_year: {1871}
}

@Author{OL12823A,
    name: {Πλάτων},
    birth_date: {428/427 BC}
    , death_date: {348/347 BC}
}