J. C. Gibbens, J. W. Wilesmith, C. E. Sharpe, L. M. Mansley, E. Michalopoulou, J. B. M. Ryan, M. Hudson,
Descriptive epidemiology of the 2001 foot-and-mouth disease epidemic in Great Britain: the first five months. Veterinary Record. ,vol. 149, pp. 729- 743 ,(2001) ,
10.1136/VR.149.24.729