a+u No. 588, 2019:09
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Special Issue: Heinz Bienefeld Drawing Collection
Guest Editor Wilfried Wang

Heinz Bienefeld, Babanek House, Brühl, charcoal sketch, July 1990,
German Architecture Museum Bienefeld Archive

Heinz Bienefeld, Babanek House, Brühl, Facade, scale 1:20, drwg. no. 16/5, 7. Jan 1992,
pencil and charcoal on trace, German Architecture Museum Bienefeld Archive

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