Within-herd spread and clinical observations of contagious bovine pleuropneumonia in Ethiopian Highlands (Boji district, West Wellega) : Methodology and epidemiological results - Lesenoff, M.; Laval, G.; Abicho, S.; Workalemu, A.; Kifle, D.; Peyraud, A.; Bonnet, P.; Lancelot, R.; Thiaucourt, Francois (International Symposia for Veterinary Epidemiology and Economics, 2003)