Hyman, Larry. 2011. The Macro-Sudan Belt and Niger-Congo Reconstruction. Language Dynamics and Linguistic Change 1.1. 1-47.
@article{jacquesestimative-hyman11macrosudan, author = {Hyman, Larry}, journal = {Language Dynamics and Linguistic Change}, pages = {1-47}, title = {The Macro-Sudan Belt and Niger-Congo Reconstruction}, volume = {1.1}, year = {2011} }