covariation

Sources

• NASH 1968 48 (variation coïncidante)

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

• GRIMES 1975 222

  GRIMES, Joseph E. (1975) The Thread of Discourse. The Hague: Mouton.

• DINEEN 1967 14

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