00534nam a22001817a 4500003000800000005001700008008004100025040002100066082001700087100002300104245006800127250000800195260005100203300003500254500002000289504002900309650001400338BD-DhUL20160511121732.0160511s1963    xxua|||| |||| 001 0 eng d  aBD-DhULcBD-DhUL  a330.182bMOO1 aMorgenstern, Oskar10aOn the accurancy of economic observations / cOskar Morgenstern  a2nd  aNew Jersy : bPrinceton, c1963 (1965printing)  axiv, 322p. : bill. ; c22 cm.  aIncludes index.  aBibliography: p. 307-315 0aEconomics