TY - BOOK ID - 4931194 TI - On the accuracy of economic observations PY - 1963 SN - 0691003513 PB - Princeton, N.J. : Princeton University Press, DB - UniCat KW - Economics, Mathematical KW - Mathématiques économiques KW - Economics, Mathematical. KW - Mathématiques économiques UR - https://www.unicat.be/uniCat?func=search&query=sysid:4931194 AB - ER -