@book{42980,
	author = {Robbins, Lionel},
	title = {An essay on the nature & significance of economic science /},
	publisher = {Macmillan,},
	year = {c1935 [reprient 1952]},
	address = {London :},
	edition = {2d ed., rev, and extended.},
	note = {Includes index}
}