John Hurton, Political Obligation, Atlantic Highlands, NJ, Humanities Press International, Inc., 1992, p. 4; Joseph Raz, “The Obligation to Obey: Revision and Tradition”, Joseph Raz, Ethics in the Public Domain (Essays in the Morality of Law and Politics), Oxford, Clarendon Press, 1994, pp. 341-354, p. 341; Tony Honoré, “Must We Obey? Necessity As A Ground of Obligation”, Virginia Law Review, Vol. 67, 1981, pp. 39-61, pp. 39-40