North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Technical Information Panel. Specialists' Meeting (1989 : Brussels, Belgium)
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prepared under contract (#RN 97007001) by Westat ... for the United States National Commission on Libraries and Information Science commissioned by the United States Government Printing Office, Superintendent of Documents
prepared under contract (#RN 97007001) by Westat, Rockville, Maryland for the United States National Commission on Libraries and Information Science ; commissioned by the United States Government Printing Office, Superintendent of Documents