@Book{OL24951079M,
    title: {Patriot games},
    author: {Tom Clancy},
    publisher: {Fontana},
    year: {1988},
    place: {London},
}

@Author{OL25277A,
    name: {Tom Clancy},
    birth_date: {12 April 1947}
    , death_date: {1 October 2013}
}