@book{5051,
	author = {Runeson, Per},
	title = {Case Study Research in Software Engineering :},
	publisher = {John Wiley & Sons,},
	year = {c 2012. },
	address = {Hoboken, New Jersey :},
	url = {https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/9781118181034?download=true}
}