@book{43836,
	author = {Hayek, Friedrich a. and  },
	title = {Prices and Production /},
	publisher = {Routledge & Kegan Paul Ltd,},
	year = {1931.},
	address = {London :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-07682.pdf}
}