@book{
      international1990iaea,
      title={Impurity Control in Toroidal Devices 
Proceedings of a Technical Committee meeting, Naka-gun, Japan, 13-15 February 1989},
      author={ },
      series={entity},
      number={536 },
      year={1990},
      isbn={ },
      url={/publications/792/impurity-control-in-toroidal-devices-proceedings-of-a-technical-committee-meeting-naka-gun-japan-13-15-february-1989 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }