Making Sense of Specifications: the Formalization of SET - Extended Abstract by Giampaolo Bella, Fabio Massacci, Lawrence C. Paulson, and Piero Tramontano. - http://www.ing.unitn.it/~massacci/papers/bell-mass-paul-tram-00-IWSP.pdf
Visa, Wells Fargo Deliver SET Alternatives - New options for handling credit card transactions over the Web are emerging as cheaper and simpler alternatives to the dormant SET standard. - http://www.techweb.com/wire/story/TWB19990603S0015