[Washington, D.C.] : National Science Board, National Science Foundation : For sale by the Supt. of Docs., U.S. G.P.O.,
Relação
Vol. for 1980 distributed to depository libraries in microfiche.
Science & engineering indicators
Direitos
Items in this record are available as Public Domain, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements.