Contains the keyword version history

Bird C, Murphy-Hill E, Parnin C. Java generics adoption. In Proceedings of the 8th working conference on Mining software repositories - MSR '11. New York, New York, USA: ACM Press; 2011. pp. 3-12.
Baik E, Devanbu P, Wang X (O). System compatibility analysis of Eclipse and Netbeans based on bug data. In Proceedings of the 8th working conference on Mining software repositories - MSR '11. Waikiki, Honolulu, HI, USANew York, New York, USA: ACM Press; 2011. pp. 230-233.
Fershtman C, Gandal N. Open source software: Motivation and restrictive licensing. International Economics and Economic Policy [Internet]. Springer Berlin / Heidelberg; 2007;4:209-225. http://dx.doi.org/10.1007/s10368-007-0086-4