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Social contract as a basis of norms : a critique
Machan, Tibor R., (1983)
Hobbes and the social contract tradition
Hampton, Jean, (1986)
The state of nature in the shadow of contract formation : adding a missing link to J. M. Buchanan's social contract theory
Schmidt-Trenz, Hans-Jörg, (1988)
La política
Campo Urbano, Salustiano del, (2008)