<em>Comet Photo AG: Zürich, Sechseläuten, Bundesrat Adolf Ogi (SVP/BE), 1992 (Com_LC1000-020-001-036, <a href="http://doi.org/10.3932/ethz-a-000988818">http://doi.org/10.3932/ethz-a-000988818</a>)
<em>Comet Photo AG: Zürich, Sechseläuten, Bundesrat Adolf Ogi (SVP/BE), 1992 (Com_LC1000-020-001-036, <a href="http://doi.org/10.3932/ethz-a-000988818">http://doi.org/10.3932/ethz-a-000988818</a>)
