@book{1137,
	author = {Weinberg, Gerald M.},
	title = {Perfect Software: And Other Illusions about Testing.},
	publisher = {Dorset House Pub,},
	year = {2008.},
	address = {New York :},
	url = {https://www.amazon.com/Perfect-Software-Other-Illusions-Testing/dp/0932633692}
}