Olowo, J.P. and L.J. Chapman. "Papyrus swamps and variation in the respiratory behaviour of the African fish Barbus neumayeri." African Journal of Ecology 34/2 (June 1996): 211-222.

Olowo, J.P. and L.J. Chapman. "Papyrus swamps and variation in the respiratory behaviour of the African fish Barbus neumayeri." African Journal of Ecology 34/2 (June 1996): 211-222.