1. Akande D (2014) UN human rights council panel on drones. EJIL: Talk!, 1 October 2014.
http://www.ejiltalk.org/un-human-rights-council-panel-discussion-on-drones/
. Accessed 8 June 2015
2. Aronsson M (2014) Remote law-making? American drone strikes and the development of jus ad bellum. J Use Force Int Law 1(2):273–298
3. De Kerchove G, Höhn C (2015) Counter-terrorism and international law since 9/11, including in the EU-US context. In: Gill TD et al. (eds) Yearbook of international humanitarian law, vol 16, 2013. T.M.C. Asser Press, The Hague, pp 267–295
4. Dorsey J, Paulussen C (2013) The boundaries of the battlefield: a critical look at the legal paradigms and rules in countering terrorism. ICCT research paper, April 2013.
http://www.icct.nl/download/file/ICCT-Dorsey-Paulussen-Boundaries-of-the-Battlefield-Report-April-2013_docx.pdf
. Accessed 8 June 2015
5. Dorsey J, Paulussen C (2015) Towards a European position on armed drones and targeted killing: surveying EU counterterrorism perspectives. ICCT research paper, 24 April 2015.
http://clients.takhleeqhq.com/icct/wp-content/uploads/2015/05/ICCT-Dorsey-Paulussen-Towards-A-European-Position-On-Armed-Drones-And-Targeted-Killing-Surveying-EU-Counterterrorism-Perspectives.pdf
. Accessed 8 June 2015