@article{key,
    year = {2001},
    eventdate = {2008-07-02},
    month = {4},
    foreword = {Louis Clarkson and Jeremy Willard},
    xdata = {key1, key2, key3}
}

@article{key,
    year = {2001},
    month = {4},
    eventdate = {2008-07-02},
    foreword = {Louis Clarkson and Jeremy Willard},
    xdata = {key1, key2, key3}
}
