IASS Symposium on Folded Plates and Prismatic Structures. Session 1: Architectural Concepts and Design Criteria. / Session 2.A: Theories of folded Structures. / Session 3: Folded Structures of reinforced Concrete, lightweight Concrete and prostressed Concrete. / Session 4: Folded Structures of Steel, Aluminium Alloys, Timber and Plastics. / Session 5: Problems of Fabrication, and Assembling. Vienna, Sept.-Oct. 1970. 2 Bände.