the recordings are available on the Net; his account of his meetings in 1974 has been published — 'Encountering Ubykh(s)’, in Arxeologija i ètnografija pontijsko-kavkazskogo regiona 5, 195-204, 2016: Krasnodar; see also his 'The labialised sibilants of Ubykh (North West Caucasian)’, in Revue des Etudes Géorgiennes et Caucasiennes, 2, 1986, 21-30)
