@Book{OL9250917M,
    title: {Women's Work},
    author: {Barbara Perkins and Robyn R. Warhol and George Perkins and Kate Chopin},
    publisher: {McGraw-Hill, Inc.},
    year: {1994},
}

@Author{OL956259A,
    name: {Barbara Perkins},
}
@Author{OL1008634A,
    name: {Robyn R. Warhol},
    birth_date: {1955}
}
@Author{OL2629379A,
    name: {George Perkins},
}
@Author{OL35183A,
    name: {Kate Chopin},
    birth_date: {1850}
    , death_date: {1904}
}