TY - BOOK AU - United Nations, economic commission for europe and Statistical Commission ED - United Nations, economic commission for europe and Statistical Commission TI - Statistical requirements for planning economic and social development T2 - United Nations, Conference of European Statisticans, Statstical Standards and studies. 11 U1 - X:75:(B28), K8/UN PY - 1968/// CY - New York PB - United Nations KW - Planned Economy N1 - 2V in one ER -