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)

NOKIS - Information Infrastructure for the North and Baltic Sea. - Carsten Heidmann; Jörn Kohlus (EnviroInfo (1), 2007)

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

NatureSDIplus - A Best Practice Network for SDI in Nature Conservation. - Wassilios Kazakos; Carsten Heidmann (EnviroInfo (1), 2009)

GDI Bayern - Geodateninfrastrukturen in der Wasserwirtschaft Bayern. - Wassilios Kazakos; Anja Reineke; Carsten Heidmann (EnviroInfo, 2012)

Towards a Middleware for Data Management in Support of Open Government Data. - Andreas Abecker; Carsten Heidmann; Claus Hofmann; Wassilios Kazakos (EnviroInfo, 2013)

Using Interlinked Thesauri for INSPIRE-Compliant Metadata Management. - Andreas Abecker; Riccardo Albertoni; Carsten Heidmann; Monica De Martino; Roman Wössner (EnviroInfo, 2014)

Werkzeugunterstützung für ETL-Prozesse mit Geodaten (Tool support for ETL processes with spatial data). - Sandra Schrauth; Radoslav Nedkov; Carsten Heidmann; Wassilios Kazakos; Andreas Abecker (UIS, 2017)