Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Klaus Schmid, Holger Eichelberger. A Requirements-Based Taxonomy of Software Product Line Evolution. ECEASST, 8, 2007. [doi]