1) Pngerson, HG et al.“A case for inclusion of prolonged grief disorder in DSM- V”. In Stroebe, M et al, eds Handbook of bereavement research and practice . Advances in theory and intervention. Washington DC, American Psychological Association, 2008, 165-86
2) Shear, K et al Treatment of complicated grief a randomized controlled trial The Journal of the American Medical Association 293 (21), 2005, 2601-8
3) Boss, P Loss, Trauma, And Resilience : Therapeutic Work With Ambiguous Loss New York, W.W. Norton & Company, 2006. 251p.