@Book{OL8128443M,
    title: {SQL-99 Complete, Really},
    author: {Peter Gulutzan and Trudy Pelzer},
    publisher: {CMP Books},
    year: {1999},
}

@Author{OL342288A,
    name: {Peter Gulutzan},
}
@Author{OL2872019A,
    name: {Trudy Pelzer},
}