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A contribution to the knowledge of variation in Opheodrys vernalis (Harlan), with the description of a new subspecies Grobman, Arnold B
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Moral Hazard and Marshallian Inefficiency: Evidence from Tunisia. Al, C. - Arcand, J.L. - Ethier, F.
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Harsanyi’s Social Aggregation Theorem : A Multi-Profile Approach with Variable-Population Extensions BLACKORBY, Charles - BOSSERT, Walter - DONALDSON, David
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