The EUROHARP Information System: A Prototype System in Support to Environmental Issues Within the Water Framework Directive. - Marc Van Liedekerke; Panos Panagos; Fayçal Bouraoui; António Nogueira (EnviroInfo, 2003)

The European Soil Portal: Networking Soil Information in Europe. - Panos Panagos; Marc Van Liedekerke (EnviroInfo, 2005)

Soil organic carbon content indicators and web mapping applications. - Panos Panagos; Marc Van Liedekerke; Luca Montanarella; Robert J. A. Jones (Environ. Model. Softw., 2008)