The need for richer refactoring usage data. - Mohsen Vakilian; Nicholas Chen; Stas Negara; Balaji Ambresh Rajkumar; Roshanak Zilouchian Moghaddam; Ralph E. Johnson (PLATEAU, 2011)

Use, disuse, and misuse of automated refactorings. - Mohsen Vakilian; Nicholas Chen; Stas Negara; Balaji Ambresh Rajkumar; Brian P. Bailey; Ralph E. Johnson (ICSE, 2012)