High-rise buildings : thematic concept ; strategies for the planning and evaluation of high-rise projects / Municipal Department 21 (MA 21) ; project management: Hans Peter Graner, Christoph Luchsinger ; translation: Sigrid SzaboHigh-rise buildings : thematic concept ; strategies for the planning and evaluation of high-rise projects / Municipal Department 21 (MA 21) ; project management: Hans Peter Graner, Christoph Luchsinger ; translation: Sigrid Szabo