@book{
  international1989iaea,
  title={Nuclear Data for the Calculation of Thermal Reactor Reactivity Coefficients (Proceedings of an Advisory Group meeting, Vienna, 7-10 December 1987)},
  series={TECDOC Series},
  number={491},
  year={1989},
  url={https://www.iaea.org/publications/746/nuclear-data-for-the-calculation-of-thermal-reactor-reactivity-coefficients-proceedings-of-an-advisory-group-meeting-vienna-7-10-december-1987},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}