2014

• Dovern, J., Quaas, MF, and W. Rickels (2014). The rich, the clean, and the kind - a comprehensive wealth index for cities applied to the case of Germany. Ecological Indicators 41:79–86.

• Rickels W, Quaas MF, Visbeck M (2014). How healthy is the human-ocean system? Environ. Res. Lett. 9 044013 doi:10.1088/1748-9326/9/4/044013

• Visbeck M, Kronfeld-Goharani U, Neumann B, Rickels W, Schmidt JO, van Doorn Erik, Matz-Lück N, Ott K, Quaas MF (2014). Securing Blue Wealth: The Need for a Special Sustainable Development Goal for the Ocean and Coasts. Marine Policy  48: 184–191.