@Work{OL261147W,
    title: {The Cat in the Hat Comes Back},
    author: {Dr. Seuss},
    first_publish_year: {1958}
}

@Work{OL1907316W,
    title: {The tooth book},
    author: {Dr. Seuss},
    first_publish_year: {1981}
}

@Work{OL2954932W,
    title: {New tricks I can do!},
    author: {Robert Lopshire},
    first_publish_year: {1996}
}

@Author{OL451076A,
    name: {Robert Lopshire},
    birth_date: {14. April 1927}
    , death_date: {4. Mai 2002}
}