International journal of refractory metals & hard materials. - New York : Elsevier Applied Science, 1993- - Bi-monthly - Vol. 12, no. 4 (1993)- Latest issue consulted: Vol. 12, no. 4 (1993). ISSN: 0263-4368 Subjects--Topical Terms: Hard materials -- Periodicals. Dewey Class. No.: 536.7