@book{5928,
	author = {Knowles, Roger},
	title = {200 contractual problems and their solutions /},
	publisher = {Wiley-Blackwell,},
	year = {c 2012.},
	address = {Chichester :},
	edition = {3rd ed.},
	url = {https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/9781118257050?download=true}
}