@book{
      international1968iaea,
      title={Atomic Energy Review, Special Issue No. 2 Niobium: Physico-chemical Properties of Its Compounds and Alloys},
      author={ },
      series={entity},
      number={ },
      year={1968},
      isbn={92-0-149068-2 },
      url={/publications/1994/atomic-energy-review-special-issue-no-2-niobium-physico-chemical-properties-of-its-compounds-and-alloys },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }