Gee, T. (2005) "Capturing study influence: The concept of 'gravity' in meta-analysis", Counselling, Psychotherapy, and Health, 1(1), 52–75 [1]Archived 2006-08-19 at the Wayback Machine
Gee, T. (2005) "Capturing study influence: The concept of 'gravity' in meta-analysis", Counselling, Psychotherapy, and Health, 1(1), 52–75 [1]Archived 2006-08-19 at the Wayback Machine