%O Book %T Atomic Energy Review, Special Issue No. 2 Niobium: Physico-chemical Properties of Its Compounds and Alloys %A %U http://www.dgdingfa.net/publications/1994/atomic-energy-review-special-issue-no-2-niobium-physico-chemical-properties-of-its-compounds-and-alloys %D %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna