Kora: A Lost Khoisan Language of the early Cape and the Gariep by Menán du Plessis - The linguistic classification of Kora
… Khoekhoe, even though it is often difficult to work out what the exact forms of the originals were, or what their meanings would have been. It is known, at least, … working independently of one another that, given the right combination of co-articulatory events, clicks have the …