fluctuation

Sources

• NASH 1968 82

  NASH, Rose. (1968) Multilingual Lexicon of Linguistics and Philology: English, Russian, German, French. Coral Gables, FL: University of Miami Press. 

• NÖTH 1990 200

  NÖTH, Winfried. (1990) Handbook of Semiotics. Bloomington: Indiana University Press. 

• DINEEN 1967 285 (fluctuation in frequency of forms)

  DINEEN, Francis P. (1967) An Introduction to General Linguistics. New York: Holt, Rinehart & Winston.