?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=ter+Beek&rft.au=ter+Beek%2C+M.H.&rft.aufirst=M.H.&rft.title=Statistical+Analysis+of+Probabilistic+Models+of+Software+Product+Lines+with+Quantitative+Constraints&rft.date=2015&rft.btitle=Proceedings+of+the+19th+International+Conference+on+Software+Product+Line&rft.isbn=978-1-4503-3613-0&rft.genre=proceeding