1. THE ROLE OF BOUNDARY OBJECTS IN INTERNAL COLLABORATION / LE ROLE DES OBJETS-FRONTIERE DANS LA COLLABORATION INTERNE . Authors: JEAN-MICHEL VIOLA.2. STRATEGIC ALLIANCES AND KNOWLEDGE MANAGEMENT: THREE CASE OF TRANSATLANTIC PARTNERSHIP / ALLIANCES STRATÉGIQUES ET GESTION DES CONNAISSANCES: TROIS CAS DE PARTENARIATS TRANSATLANTIQUES. Authors: JEAN-MICHEL VIOLA.