<em>Petrini, Camillo: Pfaffenberg-Zwenberg-Brücke, ca. 1907 (Ans_04985-013, <a href="http://doi.org/10.3932/ethz-a-000029358">http://doi.org/10.3932/ethz-a-000029358</a>)</em>
<em>Petrini, Camillo: Pfaffenberg-Zwenberg-Brücke, ca. 1907 (Ans_04985-013, <a href="http://doi.org/10.3932/ethz-a-000029358">http://doi.org/10.3932/ethz-a-000029358</a>)</em>
