Territoriality and breeding success in Gurney's sugarbird, Promerops gurneyi.Published in:African Zoology, 2001, v. 36, n. 2, p. 189, doi. 10.1080/15627020.2001.11657137By:Calf, K.M.;Downs, C.T.;Cherry, M.I.Publication type:Article
Territoriality of Cape Sugarbirds (Promerops cafer) between and within breeding seasons.Published in:Ostrich: The Journal of African Ornithology, 2003, v. 74, n. 1/2, p. 125, doi. 10.2989/00306520309485378By:Calf, K.M.;Downs, C.T.;Cherry, M.I.Publication type:Article
Phylogenetic relationships and call structure in four African bufonid species.Published in:South African Journal of Zoology, 1994, v. 29, n. 1, p. 1, doi. 10.1080/02541858.1994.11448320By:Cherry, M.I.;Grant, W.S.Publication type:Article