00584nam a2200181Ia 4500 0000006135 20251012174448.0 740516s1963 njua b 000 0 eng 0691003513 (paperback) 0691041512 (hardcover) HB74.M3 M63 1963 330.182 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. Economics, Mathematical. 3996 3996