1
A metallographic study of the niobium-hydrogen system : Pt 1: beta-phase room temperature morphologies. Pt 2: gamma, delta, xi and epsilon-phase precipitation [E-Book] /
2
Metallographic investigations of group vb metal hydrides : Pt 1: Beta-phase melting and solidification phenomena in the niobium-hydrogen system. Pt 2: Techniques for the metallographic examination of niobium-, tantalum- and vanadium-hydrides [E-Book] /