Gregory E. Maggs (The George Washington University Law School) has posted Estoppel and Textualism (American Journal of Comparative Law, Vol. 54, pp. 167-186, 2006) on SSRN. Here is the abstract:
This report answers a set of questions posed by Professor Bénédicte Fauvarque Cosson, the general rapporteur on the subject of estoppel for the XVIIth Congress of the International Academy of Comparative Law, to be held in Utrecht, The Netherlands, on July 16-22, 2006.