@book{
  internationaliaea,
  title={Twin Loops for Vertical Control of Highly Elongated Plasma},
  series={ITER Documentation Series},
  number={15},
  year={},
  url={https://www.iaea.org/publications/1039/twin-loops-for-vertical-control-of-highly-elongated-plasma},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}