@book{49457,
	author = {Pigou, A. C.},
	title = {Industrial fluctuations /},
	publisher = {Macmillan,},
	year = {1927.},
	address = {London :},
	note = {Includes index.},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-08530.pdf}
}