What Is the Gist? Understanding the Use of Public Gists on GitHub. - Weiliang Wang; Germán Poo-Caamaño; Evan Wilde; Daniel M. Germán (MSR, 2015)

Merge-Tree: Visualizing the integration of commits into Linux. - Evan Wilde; Daniel M. Germán (J. Softw. Evol. Process., 2018)