ArnoultM. D.Toward a psychophysics of form. In WulfeckJ. W. & TaylorJ. H. (Eds.), Form discrimination as related to military problems. Washington, D. C.: Nat. Res. Council, 1957. (Publ. No. 561)
2.
AttneaveF., & ArnoultM. D.The quantitative study of shape and pattern perception. Psychol. Bull., 1956, 53, 452–471.
3.
VanderplasJ. M., & GarvinE. A.The association value of random shapes. J. exp. Psychol., 1959, 57, 147–154.