@book{56145,
	author = {Clark, William Lawrence and Throckmorton, Archibald H.},
	title = {Handbook of the law of contracts},
	publisher = {West Pub. Co.},
	year = {1931.},
	series = {The Hornbook series of treatises on all the prinicpal subjects of the law},
	address = {St. Paul},
	edition = {4th ed.}
}