Zipf, G. K. (1949). Human behavior and the principle of least effort: An introduction to human eoclogy. Cambridge: Addison-Wesley Press. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)

Zipf, G. K. (1949). Human behavior and the principle of least effort: An introduction to human eoclogy. Cambridge: Addison-Wesley Press. [FULLTEXT]