@book{ international1991iaea, title={Superconducting Materials and Magnets (Proceedings of a Specialists Meeting, Tokyo, 4-6 September 1989)}, series={TECDOC Series}, number={594}, year={1991}, url={http://www.dgdingfa.net/publications/850/superconducting-materials-and-magnets-proceedings-of-a-specialists-meeting-tokyo-4-6-september-1989}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }