• The Coin Flip: A Fundamentally Unfair Proposition? (2009) https://econ.ucsb.edu/~doug/240a/Coin%20Flip.htm 108 comments 16/11/2017
• The Coin Flip: A Fundamentally Unfair Proposition? (2009) http://econ.ucsb.edu/~doug/240a/Coin%20Flip.htm 30 comments 20/7/2015