Template:Keirans, Clifford and Walker, 1982
- Keirans, J.E., Clifford, C.M. & Walker, J.B. 1982. The Ixodes (Afrixodes) oldi group (Accari: Ixodidae) from sub-Saharan Africa with descriptions of five new species. Journal of Medical Entomology 19(3): 309–329. DOI: 10.1093/jmedent/19.3.309
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