Building a Soil Information Portal for Europe based on the PortalU Technology. - Katharina Feiden; Martin Klenke; Fred A. Kruse; Stefanie Konstantinidis (EnviroInfo (1), 2009)

The GS SOIL portal prototype and its integrated network. - Katharina Feiden; Fred A. Kruse (EnviroInfo, 2010)

Sharing European soil information - Best practice contribution to INSPIRE -. - Katharina Feiden; Emil Fulajtár; Endre Dobos; Herbert Schentz; Einar Eberhardt; Rainer Baritz; Carlos Figueiredo; Sigbert Huber; Hermann Klug (EnviroInfo, 2011)

From regional to European level: INSPIRE best practice network on providing soil data. - Katharina Feiden (EnviroInfo, 2012)