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Contributed Papers Submitted for the 20th CIRET Conference 1991 in Budapest
Centre for International Research on Economic Tendency Surveys
出版
Centre for International Research on Economic Tendency Surveys
, 1992
ISBN
3885121832
9783885121831
URL
http://books.google.com.hk/books?id=ilNjAAAACAAJ&hl=&source=gbs_api