1. Aagard, K., 2003. Research politics and interdisciplinarity. Report 2003/7. The Danish Institute for studies in Research and Research Policy. Aarhus University, Aarhus (in Danish).
2. Adell, G., 1999. Theories and Models of Peri-urban Interface. A Changing Conceptual Landscape. Literature review. Strategic Environmental Planning and Management for the Peri-urban Interface. Research Project. Development Planning Unit, University College, London.
3. Holistic aspects of suburban landscapes. Visual image interpretation and landscape metrics;Antrop;LandUrbPlan,2000
4. Landscape changes and the urbanization process in Europe;Antrop;LandUrbPlan,2004
5. Sustainable landscapes: contradiction, fiction or utopia;Antrop;LandUrbPlan,2006