Bednarczuk (Leszek)

Bednarczuk (Leszek): Sporne problemy lenicji w celtyckim.
In KN 24 (1977), pp. 133–140.
[(In Polish:) Controversial issues in Celtic mutation.]
Bednarczuk (Leszek): The Italo-Celtic hypothesis from the Indo-European point of view.
In NACCS 1 (1988), pp. 175–189.
Bednarczuk (Leszek): A typological contribution to the disappearance of p in Common Celtic.
In ZCP 49–50 (1997), pp. 43–49.
Examines the plausibility of an asymetrical phonological inventory where /b/ has no voiceless counterpart. Furthermore, argues that the loss of /p/ is not related to the lenition of voiceless stops as this phaenomenon postdates the Proto-Celtic period.