«Zwhatt H1» bei Zürich Hochhaus H1 Zwhatt-Areal, Regensdorf 20.09.2023 «Zwhatt H1» near Zurich High-Rise H1 Zwhatt Site, Regensdorf Baumeister, September-23, S. 31ff. Baumeister, September-23, pp. 31ff.