Efthymiopoulos M. P. (2011), The Economic Knowledge and NATO’s Financial Visibility. (Eratum: Viability) Journal of the Knowledge Economy, Springer, USA. June 2011, Volume 2, Issue 2, pp 249–255. First online: 24 November 2010 DOI: 10.1007/s13132-010-0033-4 http://link.springer.com/article/10.1007/s13132-010-0033-4