1. Adida, B., Hohenberger, S., Rivest, R.L.: Ad-hoc-group signatures from hijacked keypairs (2005),
http://theory.lcs.mit.edu/~rivest/publications
2. American Banking Association. Beware of Internet Scrooges this Holiday,
http://biz.yahoo.com/prnews/041209/dcth013_1.html
3. Anti-Phishing Working Group,
http://www.antiphishing.org/
4. Anti-Phishing Working Group. Digital Signatures to Fight Phishing Attacks,
http://www.antiphishing.org/smim-dig-sig.htm
5. Lecture Notes in Computer Science;M. Bellare,1999