4Michael Bugeja and Daniela V.Dimitrove, Reconsider the Source Implications of Vanishing Online Citations in Communication Journals, Journalism&Mass Communication Educator, 2007, P212.
5The Half-life of Internet References Cited in Communication Association Conference Papers--International Communication is the property of International Communication.
6Michael Bugeja and Daniela V.Dimitrove, - Consider the Source: Predictors of Online Citation Permanence in Communication Journals, Conference Papers--International Communication Association.
7Half-life: Half-life is defined as the time interval during which half of the online citations in a journal disappear. From Michael Bugeja and Daniela V.Dimitrove, Consider the Source: Predictors of Online Citation Permanence in Communication Journals.