@inproceedings{ESEC-FSE-2018-ValievVH,
	author        = "Marat Valiev and Bogdan Vasilescu and James D. Herbsleb",
	booktitle     = "{Proceedings of the 12th Joint Meeting of the 17th European Software Engineering Conference and the 26th Symposium on the Foundations of Software Engineering}",
	doi           = "10.1145/3236024.3236062",
	isbn          = "978-1-4503-5573-5",
	pages         = "644--655",
	publisher     = "{ACM}",
	title         = "{Ecosystem-level determinants of sustained activity in open-source projects: a case study of the PyPI ecosystem}",
	year          = 2018,
}