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ETICA Y METODOLOGIAVAZQUEZ F.ARBOR. 1972, Vol 81, Num 314, PP. 43-55Article

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A DIFFICULTY ABOUT JUSTICENATHAN N. M. L.MIND. 1971, Vol 80, Num 318, PP. 227-37Article

HARE'S VIEW OF MORALITYTHORNTON M. T.MIND. 1971, Vol 80, Num 320, PP. 617-9Article

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DISCUSSIONE DELLA FILOSOFIA DELLA LIBERTA DI G. GIRARDIMIANO V.AQUINAS. 1971, Vol 14, Num 3, PP. 629-44Article

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METAPHYSICAL EGOISMGLASGOW W. D.RATIO. 1970, Vol 12, Num 1, PP. 79-84Article

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ESSAI D'ETHIQUE FONDAMENTALEBASTIDE G.1971, 395 p.Book