Emerson R. Murphy-Hill, Andrew P. Black, Danny Dig, Chris Parnin. Gathering refactoring data: a comparison of four methods. In Second ACM Workshop on Refactoring Tools, WRT 2008, in conjunction with OOPSLA 2008, Nashville, TN, USA, October 19, 2008. pages 7, ACM, 2008. [doi]
Abstract is missing.