Trussell, M. A. (1939). The diagnostic value of the verbal summator. Journal of Abnormal and Social Psychology, 34, 533-538. doi:10.1037/h0058202. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)
Trussell, M. A. (1939). The diagnostic value of the verbal summator. Journal of Abnormal and Social Psychology, 34, 533-538. doi:10.1037/h0058202. [FULLTEXT]