Feifel, H., & Lorge, I. (1950). Qualitative differences in the vocabulary responses of children. Journal of Experimental Psychology, 41(1), 1-18. doi:10.1037/h0058880. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)

Feifel, H., & Lorge, I. (1950). Qualitative differences in the vocabulary responses of children. Journal of Experimental Psychology, 41(1), 1-18. doi:10.1037/h0058880. [FULLTEXT]