David Keir, Andreas Persbo, 14 March 2013, VERTIC Blog
27
Mar
2013
David Keir, Andreas Persbo, 14 March 2013, VERTIC Blog
Hassan Elbahtimy, Andreas Persbo, 14 February 2013, VERTIC Blog
Mark Fitzpatrick, NP paper No. 18, June 2012, 16p.
Hans-Joachim Schmidt, HSFK Report 01/2012, April 2012, 45p.
Vitaly Fedchenko, SIPRI Fact Sheet, 8 pp., December 2009