1. Halle, M. and S. Keyser. 1971. English Stress, Its Forms, Its Growth, and Its Role in Verse. Studies in Language. Harper & Row, New York.
2. Kaplan, R. and M. Kay. 1994. Regularmo dels of phonological rule systems. Computational Linguistics, 20(3):331–78.
3. Karttunen, L. and K. Beesley. 1992. Two-level rule compiler. Technical report, Palo Alto Research Center, Xerox Corporation.
4. Kay, M. and R. Kaplan. 1983. Word recognition. This paper was never published. The core ideas are published in Kaplan and Kay (1994).
5. Koskenniemi, K. 1983. Two-Level Morphology. Ph.D. thesis, University of Helsinki.