@inproceedings{ICSE-v1-2015-SiegmundSA,
	acmid         = "2818759",
	author        = "Janet Siegmund and Norbert Siegmund and Sven Apel",
	booktitle     = "{Proceedings of the 37th IEEE/ACM International Conference on Software Engineering, Volume 1}",
	doi           = "10.1109/ICSE.2015.24",
	isbn          = "978-1-4799-1934-5",
	pages         = "9--19",
	publisher     = "{IEEE}",
	title         = "{Views on Internal and External Validity in Empirical Software Engineering}",
	year          = 2015,
}