1. Can we refactor conditional compilation into aspects?;Adams,2009
2. Optional composition – a solution to the optional feature problem?;Adler,2011
3. Managing variability in software product lines;Ali Babar;IEEE Softw.,2010
4. From conditional compilation to aspects: a case study in software product lines migration;Alves,2006
5. When to use features and aspects? A case study;Apel,2006