Harald Baier, Vangelis Karatsiolis. Validity Models of Electronic Signatures and Their Enforcement in Practice. In Fabio Martinelli, Bart Preneel, editors, Public Key Infrastructures, Services and Applications - 6th European Workshop, EuroPKI 2009, Pisa, Italy, September 10-11, 2009, Revised Selected Papers. Volume 6391 of Lecture Notes in Computer Science, pages 255-270, Springer, 2009. [doi]
Abstract is missing.