Marianne E. Meister-Notter - The stone and its ambiguous archetypal symbolism in Sandplay Thursday, 28 Aug 2025, 6 p.m. - 6:45 p.m., Gartensaal 1B Presentation time: 40 min Discussion time: 5 min Lead author: Marianne Meister-Notter (CGJIZ) Moderator: Gabriella Calchi Novati (CGJIZ)