S. Ainsworth, M. Nelson, and H. de Sompel. Proceedings of the 26th ACM Conference on Hypertext & Social Media - HT \textquotesingle15, ACM Press, (2015)
H. SalahEldeen, and M. Nelson. Proceedings of the 22Nd International Conference on World Wide Web, page 1075--1082. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2013)