@inproceedings{WCRE-2013-LiXPZ,
	author        = "Hongwei Li and Zhenchang Xing and Xin Peng and Wenyun Zhao",
	booktitle     = "{Proceedings of the 20th Working Conference on Reverse Engineering}",
	doi           = "10.1109/WCRE.2013.6671289",
	editor        = "Ralf Lämmel and Rocco Oliveto and Romain Robbes",
	pages         = "142--151",
	publisher     = "{IEEE}",
	title         = "{What help do developers seek, when and how?}",
	year          = 2013,
}