How much does unused code matter for maintenance?

Eder, Sebastian; Junker, Maximilian; Hauptmann, Benedikt; Juergens, Elmar; Vaas, Rudolf; Prommer, Karl-Heinz (2014): How much does unused code matter for maintenance?. Software Engineering 2014. Bonn: Gesellschaft für Informatik. PISSN: 1617-5468. ISBN: 978-388579-621-3. pp. 87-88. Regular Research Papers. Kiel. 25. Februar-28. Februar 2014