Nel, P.J.

Horak, I.G.; Jordaan, A.J.; Nel, P.J.; Heerden, J. van; Heyne, H.; Dalen, E.M. van 2015. Distribution of endemic and introduced tick species in Free State Province, South Africa. Journal of the South African Veterinary Association 86 (1) - Art. 1255: 1-9.