Reference

Jean-Francois Trape, Israel Demba Kodindo, Ali Sougoudi Djiddi, Joseph Mad-Toingue, Clement Hinzoumbe Kerah (2020): The snakes of Chad: results of a field survey and annotated country-wide checklist – Bonn zoological Bulletin - früher Bonner Zoologische Beiträge. – 69: 367 - 393.