@Book{OL24732776M,
    title: {The jungle},
    author: {Upton Sinclair},
    publisher: {See Sharp Press},
    year: {2003},
    place: {Tucson, Ariz},
}

@Book{OL30128978M,
    title: {Heart of darkness},
    author: {Joseph Conrad},
    publisher: {Prestwick House},
    year: {2000},
    place: {Cheswold, Del},
}

@Book{OL16836533M,
    title: {On the road},
    author: {Jack Kerouac},
    publisher: {Penguin Books},
    year: {1976},
    place: {New York},
}

@Book{OL6178249M,
    title: {An inquiry into the nature and causes of the wealth of nations.},
    author: {Adam Smith},
    publisher: {Encyclopædia Britannica},
    year: {1955},
    place: {Chicago},
}

@Author{OL39302A,
    name: {Adam Smith},
    birth_date: {16 Jun 1723}
    , death_date: {17 Jul 1790}
}