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.
Diego Alonso Gómez Aguilar, Roberto Therón, Francisco José GarcÃa Peñalvo. Semantic Spiral Timelines Used as Support for e-Learning. J. UCS, 15(7):1526-1545, 2009. [doi]
Abstract is missing.