R. O'Hara

发表

J. Burroughs, A. Wade-Evans, P. Mertens, 1998, Archives of virology. Supplementum.

M. Nielen, E. Brocchi, C. Billinis, 2005, Epidemiology and Infection.

H. Liebig, N. Knowles, C. Billinis, 2006, Veterinary microbiology.

J. Burroughs, A. Wade-Evans, P. Mertens, 1997, The Journal of general virology.