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A Directory of Information Resources in the United States: Federal Government
National Referral Center (U.S.)
其他書名
With a Supplement of Government-sponsored Information Analysis Centers
出版Library of Congress, 1974
ISBN08444011619780844401164
URLhttp://books.google.com.hk/books?id=NF6mE06V1vsC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN