International strategic minerals inventory summary report--vanadium by I. Goldberg ... [et al.]. - Washington U.S. G.P.O. 1992. - vi, 45 p. 27 cm. - U.S. Geological Survey circular 930-K . Includes bibliographical references. LCCN: 90022734 Subjects--Topical Terms: Vanadium.Strategic materials LC Class. No.: TN490.V2 / I58 1991 Dewey Class. No.: 553.4/626 Gov. Doc. Class. No.: I 19.4/2:930-K