@inproceedings{RE-2002-Schmid,
	author        = "Klaus Schmid",
	booktitle     = "{Proceedings of the 10th Anniversary Joint International Requirements Engineering Conference}",
	doi           = "10.1109/ICRE.2002.1048532",
	isbn          = "0-7695-1465-0",
	pages         = "219--226",
	publisher     = "{IEEE Computer Society}",
	title         = "{The Product Line Mapping Approach to Defining and Structuring Product Portfolios}",
	year          = 2002,
}