(1983, a) "Review of Thomas V. Gamkrelidze and Givi I. Machavariani (1982), Sonantensystem und Ablaut in den Kartwelsprachen. Translated and with an epilogue by Winfried Boeder; Gunter Narr Verlag, Tübingen, xii-160 p., DM 42,--." Papiere zur Linguistik 29.2: 59-65.