1. . 2000–2004. Annual reports 2000–2004, Department of Infectious Diseases, Municipal Health Service (GGD), Amsterdam, The Netherlands.
2. Molecular epidemiology of hepatitis A virus in Amsterdam, the Netherlands
3. . 2003. The population of Amsterdam. In: Uitenbroek DG, Janssen AP, Verhoeff AP, editors. Annual report of Public Health of Amsterdam 2002: Trends and numbers 2002. Available at http://www.ggd.amsterdam.nl; accessed December 21, 2006 (in Dutch).
4. MEGA. 2001. Version 2. Arizona State University, Tempe, Arizona, USA. Available at http://www.megasoftware.net accessed December 21, 2006.
5. Cluster Analysis of Spatial Patterns in Malaysian Tree Species