The interpretation of the contract which is object of the contender si translates into an investigation of fact entrusted to referees, censurable in headquarters control of legitimacy - which is the one exercised, in the phase termination, by the judge of the appeal r nullity of the Lodo referee ex art. 829 cod. proc. civ. - only in the case in which the motivation is so inadequate by not Allow the reconstruction of the iTer logical followed by the referees or per violation of the rules of the articles 1362 ss. cod. civ.