Practical guide to seasonal adjustement with Demetra+ : from source series to user communication

iv, 102 p.

At head of title: United Nations Economic Commission for Europe.
Principal authors: Anu Peltola and Necmettin Alpay Koçak (p. ii).
Document symbol also used for "Provisional agenda [for the] meeting to be held at the Palais des Nations, Geneva, from 23 to 27 June 1980...", 1980.
"Annex 1: Recommendations of the data and metadata reporting and presentation handbook": p. 81-90.
Available also at UNECE website (viewed 6 Feb. 2012).