@inproceedings{1006144,
    title = "Aristotle and political liberty",
    author = "Barnes, John",
    year = "1990",
    pages = "249-263",
    publisher = "Vandenhoeck & Ruprecht",
    booktitle = "Aristoteles' "Politik": akten de XI. Symposium Aristotelicum, Friedrichshafen/Bodensee, 25.8.-3.9.1987"
}