Literatur:

Franz Gertsch – Rüschegg, Franz Gertsch – Rüschegg, Angelika Affentranger-Kirchrath, 2020, Zürich, ISBN: 978–3–85881–663–4, S.33
Franz Gertsch – Thomas Ruff, Parkett, Rainer Michael Mason, Helmut Friedel, Ulrich Loock, 1991, 1991, ISBN: 978–3–907509–78–4, ISBN: 978–3–907509–78–4