"Introduction to Altmetrics for Science, Technology, Engineering, and Mathematics (STEM) Librarians" by Linda M. Galloway, Janet L. Pease et al.

"Quantifying scholarly output via citation metrics is the time-honored method to gauge academic success. Altmetrics, or alternative citation metrics, provide researchers and scholars with new ways to track influence across evolving modes of scholarly communication. This article will give librarians an overview of new trends in measuring scholarly influence, introduce them to altmetrics tools, and encourage them to engage with researchers in discussion of these new metrics."