Catani, Claudia; Kohiladevy, Mahendran; Ruf, Martina; Schauer, Elisabeth; Elbert, Thomas; Neuner, Frank: Treating children traumatized by war and Tsunami: a comparison between exposure therapy and meditation-relaxation in North-East Sri Lanka. In: BMC Psychiatry. Vol.9 Issue 1. 2009, page 22 et seq.