@Book{OL7348382M,
    title: {Ways of Seeing},
    author: {John Berger},
    publisher: {Penguin (Non-Classics)},
    year: {1990},
}

@Book{OL1007722M,
    title: {The photograph},
    author: {Clarke, Graham},
    publisher: {Oxford University Press},
    year: {1997},
    place: {Oxford},
}

@Book{OL7596221M,
    title: {Exposure Photo Workshop},
    author: {Jeff Wignall},
    publisher: {Wiley},
    year: {2008},
}

@Book{OL9482756M,
    title: {Basic Photography},
    author: {Michael Langford},
    publisher: {Focal Press},
    year: {2000},
}

@Book{OL32124162M,
    title: {Mastering your digital SLR},
    author: {Christopher Weston},
    publisher: {Voyageur Press},
    year: {2009},
    place: {Minneapolis, MN},
}

@Book{OL24215902M,
    title: {On photography},
    author: {Susan Sontag},
    publisher: {Farrar, Straus and Giroux},
    year: {1977},
    place: {New York},
}

@Author{OL33042A,
    name: {Susan Sontag},
    birth_date: {16 Jan 1933}
    , death_date: {28 Dec 2004}
}