Beresford, P and J Cracraft. 1999. Speciation in African forest robins (Stiphrornis): species limits, phylogenetic relationships, and molecular biogeography. American Museum Novitates 3270, 1–22.
Beresford, P and J Cracraft. 1999. Speciation in African forest robins (Stiphrornis): species limits, phylogenetic relationships, and molecular biogeography. American Museum Novitates 3270, 1–22.