1. Aden T (2009) Google analytics – implementieren, interpretieren. Profitieren, Hauser, München
2. Arndt H (2006) Integrierte informationsarchitektur: die erfolgreiche Konzeption professioneller Websites. Springer, Berlin
3. Bock S, Schernewski G (2005) Das regionale informationssystem zur odermündungsregion. Coastline Reports 6:169–174
4. Claus S, Vanhoorne B, Vanden-Berghe E, Mees J (2007) Development of the ENCORA portal: an internet based facility supporting EU-wide contact search for ICZM related science, practice, and policy communities. In: Mees J, Seys J (eds) VLIZ young scientists’ day. VLIZ Special Publication, Brugge, p 55
5. Clifton B (2010) Advanced web metrics with google analytics. Wiley Publishing, Indianapolis