“Schulbau in Deutschland. Traditionen, Richtlinien und Kooperationsprobleme” (School architecture in Germany. Traditions, Guidelies and Cooperation Problems), lecture at the international conference “Räume bilden im Wechselspiel zwischen Architektur/Städtebau, Kunst/Musik, Pädagogik/Psychologie” (Building Spaces between Architecture/Urbanism, Art/Music, Pedagogy/Psychology), organised by the faculty for Education, Architecture and Art at Siegen University on 2 July 2011 (with Sabine Reh/reviewed)