Balanced scales, item overlap and the stables of Augeashttps://www.upress.umn.edu/test-division/bibliography/1960-1969/1967/jackson_balanced_1967https://www.upress.umn.edu/logo.png
D.N. Jackson
(1967)
Balanced scales, item overlap and the stables of Augeas
Educational and Psychological Measurement, 27:502 --507.