Morpheus: Variability-Aware Refactoring in the Wild. - Jörg Liebig; Andreas Janker; Florian Garbe; Sven Apel; Christian Lengauer (ICSE (1), 2015)

Morpheus: variability-aware refactoring in the wild. - Jörg Liebig; Sven Apel; Andreas Janker; Florian Garbe; Sebastian Oster (Software Engineering, 2016)

Handling Static Configurability in Refactoring Engines. - Jörg Liebig; Sven Apel; Andreas Janker; Florian Garbe; Sebastian Oster (Computer, 2017)