How to make secure email easier to use. - Simson L. Garfinkel; David Margrave; Jeffrey I. Schiller; Erik Nordlander; Robert C. Miller (CHI, 2005)

Views, Reactions and Impact of Digitally-Signed Mail in e-Commerce. - Simson L. Garfinkel; Jeffrey I. Schiller; Erik Nordlander; David Margrave; Robert C. Miller (Financial Cryptography, 2005)