Robert Klanten; (ed) Matthias Böttger; Utopia forever visions of architecture and urbanism - Berlin Gestalten, 2011 2011. - 256 p. ill. (chiefly col.) ; 29 cm. Includes Index ISBN: 9783899553352 Subjects--Topical Terms: Visionary architecture. LC Class. No.: NA209.5.K45 2011