@Book{OL37876009M,
    title: {다빈치 코드},
    author: {Dan Brown},
    publisher: {[Bet'elsŭman?]},
    year: {2004},
    place: {[Sŏul-si]},
}

@Book{OL16675546M,
    title: {Mr. William Shakespeares Comedies, Histories \& Tragedies},
    author: {William Shakespeare},
    publisher: {Yale University Press},
    year: {1968},
    place: {New Haven, USA},
}

@Author{OL9388A,
    name: {William Shakespeare},
    birth_date: {20 April 1564}
    , death_date: {23 April 1616}
}