Sheppard, Eric S. The capitalist space economy : geographical analysis after Ricardo, Marx, and Sraffa / Eric Sheppard & Trevor J. Barnes ; with a contribution from Claire Pavlik. - London ; Unwin Hyman, 1990. - xviii, 328 p. : ISBN: 004330401X : Subjects--Topical Terms: Economic geography. Dewey Class. No.: 330.9 / Ca