Hennessey (1990)

De Arbres
  • Hennessey, Jr., John S. 1990. 'Spirantization to lenition in Breton: interpretation of morphophonological variability', Ball, Martin J., James Fife, Erich Poppe, and Jenny Rowland (éds.), Celtic linguistics / Ieithyddiaeth Geltaidd: readings in the Brythonic languages, Festschrift for T. Arwyn Watkins, Amsterdam Studies in the Theory and History of Linguistic Science 4.68, Current Issues in Linguistic Theory, Amsterdam: Benjamins, 209–224.