from: https://web.archive.org/web/20171005173029/http://www.sei.cmu.edu/productlines/ Clements P. & Northrop L.M. (2003). Software Product Lines. Presentation Carnegie Mellon Software Engineering Institute. Retrieved March 26, 2006, from: http://www.sei.cmu.edu/ European Software Institute (ESI). Retrieved February 17, 2006, from: https://web.archive.org/web/20070203151901/http://www.esi.es/Families/famResults.html Pohl K., Bockle G., & Linden F. van der (2005). Software Product Line Engineering. Berlin, Heidelberg, New York: Springer-Verlag. https://www.amazon.com/Software-Product-Line-Engineering-Foundations-dp-3540243720/dp/3540243720 External links Carnegie Mellon Software Engineering Institute (SEI) Software Product Lines (Archived Copy) European Software Institute (ESI) Software Product Lines Software Product Line Engineering Course, B. Tekinerdogan, Bilkent University University of Trier, Computer Science Product management