@Article{BDGR11, author = {Ebrahim Bagheri and Tommaso {Di Noia} and Dragan Gasevic and Azzurra Ragone}, title = "Formalizing interactive staged feature model
configuration", journal = "Journal of Software Maintenance and Evolution:
Research and Practice", year = "2011", note = "http://onlinelibrary.wiley.com/doi/10.1002/smr.534
/full", url = "http://sisinflab.poliba.it/sisinflab/publications/
2011/BDGR11" }