Can we use altmetrics at the institutional level? A case study analysing the coverage by research areas of four Spanish universities Torres-Salinas, D.; Robinson-García, N.; Jiménez-Contreras, E. Can we use altmetrics at the institutional level? A case study analysing the coverage by research areas of four Spanish universities. Proceedings of the 21st International Conference on Science and Technology Indicators | València (Spain) | September 14-16, 2016. Tipología: Proceeding Paper Ver en Google Scholar