@Book{OL7778204M,
    title: {Death in the Clouds},
    author: {Agatha Christie},
    publisher: {Ulverscroft Large Print},
    year: {1987},
}

@Book{OL24214632M,
    title: {Murder on the links},
    author: {Agatha Christie},
    publisher: {Dell Pub. Co.},
    year: {1967},
    place: {New York},
}

@Author{OL27695A,
    name: {Agatha Christie},
    birth_date: {15 September 1890}
    , death_date: {12 January 1976}
}