On the accuracy of economic observations. - 2d ed., completely rev. - Princeton, N.J., Princeton University Press [c1963] - xiv, 322 p diagrs., tables 23 cm. Bibliography: p. 307-315. ISBN: 0691003513 (paperback) 0691041512 (hardcover) Subjects--Topical Terms: Economics, Mathematical. LC Class. No.: HB74.M3 / M63 1963