A study of anxiety in the sociopathic personalityhttps://www.upress.umn.edu/test-division/bibliography/1950-1959/1957/lykken_study_1957https://www.upress.umn.edu/logo.png
David T Lykken
(1957)
A study of anxiety in the sociopathic personality
Journal of Abnormal and Social Psychology, 55:6 --10.