M. De Choudhury, M. Morris, и R. White. Proceedings of the 32Nd Annual ACM Conference on Human Factors in Computing Systems, стр. 1365--1376. New York, NY, USA, ACM, (2014)
F. Kaske, M. Kugler, и S. Smolnik. Proceedings of the 2012 45th Hawaii International Conference on System Sciences, стр. 3898--3907. Washington, DC, USA, IEEE Computer Society, (2012)