Morekhure-Mphahlele, Refilwe; Focke, Walter Wilhelm; Grote, Wiebke
(Acoustical Society of America, 2017-03)
Two traditional cosmetic clays bear similar names in different local South African languages: vumba
(Tshivenda) and ubumba (isiZulu). The wet clays are applied topically for cosmetic purposes by the
respective indigenous ...