<em>Schollenberger, Kurt: Zürich, Polyterrasse der ETH, 04/1972 (Com_L21-0225-0002-0003, <a href="http://doi.org/10.3932/ethz-a-000998415">http://doi.org/10.3932/ethz-a-000998415</a>)</em>
<em>Schollenberger, Kurt: Zürich, Polyterrasse der ETH, 04/1972 (Com_L21-0225-0002-0003, <a href="http://doi.org/10.3932/ethz-a-000998415">http://doi.org/10.3932/ethz-a-000998415</a>)</em>
