A directory of information resources in the United States: Federal Government, with a supplement of Government-sponsored information analysis centers.
National Referral Center (U.S.)
National Referral Center for Science and Technology (U.S.).Directory of information resources in the United States: Federal Government.
Washington, Library of Congress; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
1974.
Originally issued by the Center in 1967 under its earlier name: National Referral Center for Science and Technology.
Information services
Also issued online.