AEJB - Gale,P.; Stanfield,G. - Towards a quantitative risk assessment for BSE in sewage sludge - Journal of Applied Microbiology 2001 Sep; 91(3): 563-9
AEJE - Gale,P.; Young,C.; Stanfield,G.; Oakes,D. - Development of a risk assessment for BSE in the aquatic environment - Journal of Applied Microbiology 1998 Apr; 84(4): 467-77