Reference

Stefanie Jovanovic-Kruspel, Valeri Pisani, Andreas Hantschk (2017): "Under water" - Between Science and Art - The rediscovery of the first authentic underwatersketches by Eugen von Ransonnet-Villez (1838-1926) – Annalen des Naturhistorischen Museums in Wien – 119A: 131 - 153.