Silke Langenberg, “See–Recognise–Understand – A conversation about historical rendering techniques between Oskar Emmenegger, his son Rafael Emmenegger and Silke Langenberg”, in: Annette Spiro, Hartmut Göhler, Pinar Gönül, eds., About Render. Designing and Realising Plaster Surfaces, Munich, 2023, pp. 128–135.