Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Umberto Ferraro Petrillo, Giovanni Mastroianni, Ivan Visconti. The design and implementation of a secure CAPTCHA against man-in-the-middle attacks. Security and Communication Networks, 7(8):1199-1209, 2014. [doi]
Abstract is missing.