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J. J. Böker, A.-C. Brehm, J. Hanschke, J.-S. Sauvé, Architektur der Gotik. Rheinlande (Peter Kurmann)
BASE - Bielefeld Academic Search Engine , perspectivia.net - The publication platform of the Max Weber Foundation
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Ludwig Leo – Architekt im West-Berlin der langen 1960er Jahre
ETH Zürich, 2016
BASE - Bielefeld Academic Search Engine , ETH Zürich Research Collection
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Irúsan or, canting for architects
ETH Zurich, 2016
BASE - Bielefeld Academic Search Engine , ETH Zürich Research Collection