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Data citation has moved quickly in the last 12 months -- models proposed and accepted, and an active implementation group. Much more is involved than just the link. Here are the basic refs.   Brase, J., Socha, Y., Callaghan, S., Borgman, C. L., Uhlir, P. F., & Carroll, B. (2014). Data citation. In J. M. Ray (Ed.), Managing Research Data: Practical Strategies for Information Professionals (pp. 167–186). Lafayette, IN: Purdue University Press.