Quirin, R.; Rasolofo, V.; Andriambololona, R.; Ramboasolo, A.; Rasolonavalona, T.; Raharisolo, C.; Rakotoaritahina, H.; Chanteau, S.; Boisier, P.
(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)