TY - RPRT TI - Second-order Citations in Altmetrics: A Case Study Analyzing the Audiences of COVID-19 Research in the News and on Social Media AU - Alperin, J. P. AU - Fleerackers, A. AU - Riedlinger, M. AU - Haustein, S. PY - 2023 DO - 10.1101/2023.04.05.535734 UR - https://www.biorxiv.org/content/10.1101/2023.04.05.535734v1 ID - 10.1101/2023.04.05.535734 ER -