Nasir Ali, Yann-Gaël Guéhéneuc, and Giuliano Antoniol. Factors Impacting the Inputs of Traceability Recovery Approaches. In Andrea Zisman and Jane Cleland-Huang, editors, Software and Systems Traceability (SST), chapter 7, pages 99–127. Springer, September 2012. Note: 28 pages. [Text] Keyword(s): Topic: Requirements and features, Journal: SST.