R. v. Starr, [2000 2 SCR 144], 242 (SCC 2000) ("In my view, an effective way to define the reasonable doubt standard for a jury is to explain that it falls much closer to absolute certainty than to proof on a balance of probabilities.").
Young, Warren; Cameron, Neil; Tinsley, Yvette (November 1999). Juries in Criminal Trials: Part Two(PDF). Preliminary Paper 37. Vol. 2. Wellington, New Zealand: Law Commission. p. 54. ISBN1-877187-42-9. Archived from the original(PDF) on 9 February 2013. Retrieved 14 April 2012.
Grechenig, Nicklisch & Thoeni, Punishment Despite Reasonable Doubt - A Public Goods Experiment with Sanctions under Uncertainty, Journal of Empirical Legal Studies (JELS) 2010, vol. 7 (4), p. 847-867 (ssrn).
Young, Warren; Cameron, Neil; Tinsley, Yvette (November 1999). Juries in Criminal Trials: Part Two(PDF). Preliminary Paper 37. Vol. 2. Wellington, New Zealand: Law Commission. p. 54. ISBN1-877187-42-9. Archived from the original(PDF) on 9 February 2013. Retrieved 14 April 2012.