Easton, M. & Moelker, R. (2010). Police and Military: two worlds apart? Current Challenges in the Process of Constabularisation of the Armed Forces and Militarisation of the Civilian Police. In M., Easton, M., Den Boer, J., Janssens, R., Moelker & T., Vander Beken (Eds.), Het groene gras. Blurring Military and Police Roles (pp.11-31). Den Haag: Boom Juridische Uitgevers (ISBN 978-90-8974-309-1).