@Book{OL7933543M,
    title: {Sensitive Chaos},
    author: {Theodor Schwenk},
    publisher: {Pendulum Press},
    year: {1978},
}

@Work{OL15669701W,
    title: {The book of woodcraft ...},
    author: {Ernest Thompson Seton},
    first_publish_year: {1939}
}

@Author{OL39160A,
    name: {Ernest Thompson Seton},
    birth_date: {1860}
    , death_date: {1946}
}