Contributions de Yves Schwartz
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13,00Renato Di Ruzza, Yves Schwartz
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90,00Yves Clot, Jean-Yves Rochex, Yves Schwartz
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Yves Schwartz, Michèle Bertrand, Lucien Sève, Yves Clot
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25,80Michel Duffour, Daniel Monteux, Yves Schwartz