Title from PDF title page (viewed on Nov. 12, 2012).
"January 2007. Oct. 1st 2005 – Nov 30th 2006."
Expansion of the perfringens predictor model to include pH, NaCl and NaNO2 : final report of Food Standards Agency Project B13005. Published by Food Standards Agency in 2007. Publication and catalogue information, links to buy online and reader comments.