@Book{OL5089273M,
    title: {The strife of tongues},
    author: {Kurt E. Koch},
    publisher: {Kregel Publications},
    year: {1971},
    place: {Grand Rapids, Mich},
}

@Author{OL1173303A,
    name: {Kurt E. Koch},
    birth_date: {1913}
    , death_date: {1987}
}