Koen Bostoen (BantUGent) and Hilde Gunnink (BantUGent) have a chapter titled “The Impact of Autochthonous Languages on Bantu Language Variation: A Comparative View on Southern and Central Africa” in the newly published Cambridge Handbook of Language Contact: Volume 1: Population Movement and Language Change, edited by In S. Mufwene & A.M. Escobar.
