Joseph Jordan
- (2017): The Gothic Tower of Freiburg Minster, Germany: Analysis and Repair. In: (2017): Engineering History and Heritage Structures – Viewpoints and Approaches. International Association for Bridge and Structural Engineering (IABSE), Zurich (Switzerland), ISBN 978-3-85748-154-3.
- (2016): The Gothic tower of Freiburg Minster, Germany: analysis and repair. In: Proceedings of the Institution of Civil Engineers - Engineering History and Heritage, v. 169, n. 2 (May 2016).
- (2016): Ein bautechnisches Kunstwerk auf dem Prüfstand - Der gotische Turmhelm des Freiburger Münsters. In: (2016): Ingenieurbaukunst 2017. Ernst & Sohn, Berlin (Germany), ISBN 9783433031674.
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