Griffiths, H.: Building Air Traffic Capacity in Africa: Options for Improving Security and Governance , (SIPRI: , October 2009)
Bromley, M. and Griffiths, H.: Air Transport and Destabilizing Commodity Flows , (SIPRI: , May 2009) Paperback, 978-91-85114-60-3, 62, 8092481
Bromley, M. and Griffiths, H.: Stemming Destabilizing Arms Transfers: The Impact of European Union Air Safety Bans , (SIPRI: , October 2008) Paperback