Idea and model : 30 years of architectural models; [this book is published on the occasion of the exhibition "Idea and Model - 30 Years Architectural Models von Gerkan, Marg u Partner" in the gmp-architecture workshop, Hamburg, summer 1994] = Idee und Modell / v. Gerkan, Marg und Partner. Publ. by Meinhard von Gerkan in cooperation with Jan Esche ...