Irwin, O. C., & Chen, H. P. (1947). Development of speech during infancy. Journal of Experimental Psychology, 37, 431-436. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)
Irwin, O. C., & Chen, H. P. (1947). Development of speech during infancy. Journal of Experimental Psychology, 37, 431-436. [FULLTEXT]