@Book{OL5306826M,
    title: {Does it matter?},
    author: {Alan Watts},
    publisher: {Pantheon Books},
    year: {1970},
    place: {New York},
}

@Book{OL7927186M,
    title: {Heart of the Soul},
    author: {Gary Zukav},
    publisher: {Simon \& Schuster Ltd},
    year: {2002},
}

@Author{OL65861A,
    name: {Gary Zukav},
}