@article{2017:kumbu:avantprop,
title = {Avant-propos},
year = {2017},
note = {},
journal = {KAS African Law Study Library},
pages = {526--528},
author = {Kumbu, Jean-Michel and Hamann, Hartmut and Hengelela, Joseph Cihunda},
volume = {4},
number = {4}
}