pe 18 – materialien zur zeitgenössischen kunst (art magazine) Created in 1966 by Klaus Hoffmann, Otmar Alt, Jürgen Claus, Raimund Girke, Heinz Hirschner, Frieder Nake, Heimrad Prem, Johannes Schreiter Includes essays and signed works by artists Otmar Alt, Jürgen Claus, Raimund Girke, Heinz Hirschner, Frieder Nake, Heimrad Prem, Johannes Schreiter.