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.
Tom Van Vleck. Electronic Mail and Text Messaging in CTSS, 1965-1973. IEEE Annals of the History of Computing, 34(1):4-6, 2012. [doi]
Abstract is missing.