1. Cognitive therapy of depression;Beck,1979
2. An inventory for measuring depression;Beck;Archives of General Psychiatry,1961
3. The effectiveness of cognitive and behavioral therapies;Blaney,1981
4. The comparison of percentages in matched samples;Cochran;Biometrika,1950
5. A behavioural treatment programme for neurotic depression;de Jong;Behavioural Analysis and Modification,1981