Lutz, Friedrich A. The problem of international economic equilibrium / Lutz, Friedrich A. - Amsterdam : North-Holland Pub. Co., 1962. - 75 p. : illus. ; 20 cm. - Professor Dr. F. de Vries lectures . Subjects--Topical Terms: Balance of payments.International economic relations. Dewey Class. No.: 332.15 / LUP 1962