(1970) – in German* General Equilibrium with Price-Making Firms (with Thomas Marschak), Lecture Notes in Economics and Mathematical Systems, Berlin-Heidelberg-New York: Springer-Verlag. ###>(1970) – in German* General Equilibrium with Price-Making Firms (with Thomas Marschak), Lecture Notes in Economics and Mathematical Systems, Berlin-Heidelberg-New York: Springer-Verlag.