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Changing Consumer Food Prices, A User's Guide to ERS Analysis, An Economic Research Service Report, Technical Bulletin Number 1862, U.S. Department of Agriculture (Microfiche)
出版U.S. Department of Agriculture, Economic Research Service, 1997
URLhttp://books.google.com.hk/books?id=RpXcNgybJMAC&hl=&source=gbs_api
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