Morgenstern, Osker On the accuracy of economic observations / Osker Morgenstern - 2nd ed. - Princeton : Princton Univertsity, c1963. - xiv,322 p. : 22 cm. ISBN: 0691003513 LCCN: Subjects--Topical Terms: Economics LC Class. No.: HB74 / .M3M63 1963 Dewey Class. No.: 330.182 / M851o