ARGN - de Koeijer,A.; Heesterbeek,H.; Schreuder,B.E.C.; Oberthur,R.; Wilesmith,J.W.; van Roermund,H.; de Jong,M.C.M. - Quantifying BSE control by calculating the basic reproduction ratio R0 for the infection among cattle - Journal of Mathematical Biology 2004 Jan; 48(1): 1-22