Protecting the integrity of a written agreement : a comparative analysis of the parol evidence rule, merger clauses and no oral modification clauses in U.S., English, German and Swiss law and international instruments (CISG, PICC, PECL, DCFR and CESL) / Andreas Muller

Protecting the integrity of a written agreement : a comparative analysis of the parol evidence rule, merger clauses and no oral modification clauses in U.S., English, German and Swiss law and international instruments (CISG, PICC, PECL, DCFR and CESL) / Andreas Muller