Capstick, P.B. International Centre of Insect Physiology and Ecology, P O Box 30772, Nairobi, Kenya.
de Castro, J.J. International Centre of Insect Physiology and Ecology, P O Box 30772, Nairobi, Kenya.
Chizyuka, H.G. Central Veterinary Research Institute, P O Box 33980, Lusaka, Zambia.
Chumo, R.S. Veterinary Research Laboratory, P O Kabete, Kenya.
Dolan, T.T. Veterinary Research Department, Kenya Agricultural Research Institute, P O Box 32, Kikuyu, Kenya.
Doyle, J.J. ILRAD, P O Box 30709, Nairobi, Kenya.
Gettinby, G. Department of Mathematics, University of Strathclyde, 26 Richmond St, Glasgow, G1 1XH, UK.
Irvin, A.D. ILRAD, P O Box 30709, Nairobi, Kenya.
James, A.D. Veterinary Research Laboratory, P.O. Kabete, Kenya.
Kamwendo, S.P. Department of Veterinary Services, P O Box 30372, Lilongwe, Malawi,
Lenahan, J.K. ILRAD, P O Box 30709, Nairobi, Kenya.
Mangani, M.P.C. Central Veterinary Research Institute, P O Box 33980, Lusaka, Zambia.
Morzaria, S.P. ILRAD, P O Box 30709, Nairobi, Kenya.
Munatswa, F.C. Veterinary Research Laboratory, P O Box 8101, Causeway, Harare, Zimbabwe.
Musisi, F.L. FAO Animal Disease Control Project, P O Box 30563, Lusaka, Zambia.
Mutugi, J.J. Veterinary Research Department, Kenya Agricultural Research Institute, P O Box 32, Kikuyu, Kenya.
Newson, R.M. International Centre of Insect Physiology and Ecology, P O Box 30772, Nairobi, Kenya.
Norval, R.A.I. Veterinary Research Laboratory, P O Box 8101, Causeway, Harare, Zimbabwe.
Ongare, J.O. Veterinary Research Laboratory, P O Kabete, Kenya.
Pegram, R.G. FAO Economics of Ticks in Zambia, P O Box 30563, Lusaka, Zambia.
Tama, E. Laboratoire et Pharmacie, Veterinaire, BP 227, Bujumbura, Burundi.
Tatchell, R.J. MALD/DANIDA/FAO Acaricide Laboratory, Veterinary Research Laboratory, P O Kabete, Kenya.
Voigt, W.P. ILRAD, P O Box 30709, Nairobi, Kenya.
Wathanga, J.M. Veterinary Investigation Laboratory, P O Box 204, Mariakani, Kenya.
Young, A.S. Veterinary Research Department, Kenya Agricultural Research Institute, P O Box 32, Kikuyu, Kenya.