<em>Comet Photo AG: Zürich, Boutique Saint Laurent, Cocktail, 18.05.1973 (Com_L22-0332-0001-0005, <a href="http://doi.org/10.3932/ethz-a-001008321">http://doi.org/10.3932/ethz-a-001008321</a>)
<em>Comet Photo AG: Zürich, Boutique Saint Laurent, Cocktail, 18.05.1973 (Com_L22-0332-0001-0005, <a href="http://doi.org/10.3932/ethz-a-001008321">http://doi.org/10.3932/ethz-a-001008321</a>)
