@Book{OL24745035M,
    title: {Beyond the brain},
    author: {Stanislav Grof},
    publisher: {State University of New York Press},
    year: {1985},
    place: {Albany, N.Y},
}

@Work{OL3843339W,
    title: {Journeys out of the body},
    author: {Robert A. Monroe},
    first_publish_year: {1971}
}

@Work{OL3843337W,
    title: {Far journeys},
    author: {Robert A. Monroe},
    first_publish_year: {1985}
}

@Author{OL687398A,
    name: {Robert A. Monroe},
}