On the unification of legal rules in the European Union
B. Crettez, R. g. Deloche
págs. 203-214
An optional European contract law code: Advantages and disadvantages
S. Grundmann, W. Kerber
págs. 215-236
J. P. Kesan, A. A. Gallo
págs. 237-266
págs. 267-283
págs. 285-314