@book{
      international1976iaea,
      title={Stairs User's Manual (by V. Gadjokov, V. Dragulev, N. Gove, H. Schmid)},
      author={ },
      series={entity},
      number={191 },
      year={1976},
      isbn={ },
      url={/publications/440/stairs-users-manual-by-v-gadjokov-v-dragulev-n-gove-h-schmid },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }