underdifferentiation

Sources

• NASH 1968 253 (underdifferentiated)

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

• SAMARIN 1967 192

  SAMARIN, William J. (1967) Field Linguistics: A Guide to Linguistic Field Work. New York: Holt, Rinehart & Wilson.

• MATTHEWS 1997 389

  MATTHEWS, P.H. (1997) The Concise Oxford Dictionary of Linguistics. Oxford: Oxford University Press.