NEW DIRECTIONS IN INTERNATIONAL TRADE LAW. Acts and Proceedings of the 2nd Congress on Private Law held by the International Institute for the Unification of Private Law (UNIDROIT), Rome, 9-15 September 1976. Volume I: Reports. Volume II: Written, Communications and Oral Interventions. Dos Ferry, Oceana Publications, 1977, 2 tomos de 26x18 cm, tela edit. XLII+XVI+793 págs.