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, Venue: SST.