@book{60362,
	author = { Perrings, Charles},
	title = {Our uncommon heritage :},
	publisher = {Cambridge University Press, },
	year = {2014},
	address = {Cambridge :},
	url = {https://www.cambridge.org/core/books/our-uncommon-heritage/1649E60ABF877D86882D269BFC0FB0AA#fndtn-contents}
}
