1. The relevance of software documentation, tools and technologies: a survey;Forward,2002
2. How software engineers use documentation: The state of the practice;Lethbridge;IEEE Softw.,2003
3. How do professional developers comprehend software?;Roehm,2012
4. Global software servicing: observational experiences at Microsoft;Bugde,2008
5. Do code and comments co-evolve? On the relation between source code and comment changes;Fluri,2007