@book{4504,
	author = {Sweezy, Paul M.  and Bohm-Bawerk, Eugen Von},
	title = {Karl Marx and the close of his systems by Eugen von Bohm-Bawerk and Bohm-Bawerk's criticism of Marx by Rudolf Hilferding.},
	publisher = {Merlin,},
	year = {1975},
	address = {London:},
	edition = {2nd}
}