Metadata Repositories in Governmental Information Systems for Coastal Regions in Germany. - Wassilios Kazakos; Rainer Lehfeldt; Christian Michl; Carsten Heidmann; Aleksei Valikov (EnviroInfo, 2003)

Sharing ISO 19115 Metadata in NOKIS - Experiences, Features, Perspectives. - Wassilios Kazakos; Aleksei Valikov; Rainer Lehfeldt; Carsten Heidmann (EnviroInfo (1), 2004)

Using ISO 19115 Metadata and WebServices to Facilitate Data Access, Visualization and Processing. - Wassilios Kazakos; Marcus Briesen; Rainer Lehfeldt; Hans-Christian Reimers (EnviroInfo, 2005)

Providing Access to Environmental Data in a SOA in NOKIS. - Carsten Heidmann; Frank Sellerhoff; Rainer Lehfeldt; Aleksei Valikov; Wassilios Kazakos (EnviroInfo, 2008)

Integrating Marine Modeling Data into a Spatial Data Infrastructure. - Christoph Wosniok; Michael Bauer; Rainer Lehfeldt (Geoinformatik, 2011)