1. Introduction to Multivariate Analysis;Chatfield,1980
2. Modelling Binary Data;Collett,1991
3. Animal productivity and health information network;Dohoo;Can. Vet. J.,1988
4. Complementary aspects of the logistic model and of the correspondence analysis to investigate risk factors in animal pathology: application to the study of orf risk factors in sheep breeding;Ducrot,1991