Ladiray, Dominique Seasonal adjustment with the X-11 method - New York Springer-Verlag 2001 - xxii; 225p;pbk - Lecture notes in statistics . ISBN: 0-387-95171-7 Subjects--Topical Terms: Seasonal variations (Economics)-Statistical methodsGeneral economicsEconomics Dewey Class. No.: 330.015195/LAD