@article{1627647,
      url = {http://digitallibrary.un.org/record/1627647},
      title = {Chair's factual summary (working paper) : Preparatory  Committee for the 2020 Review Conference of the Parties to  the Treaty on the Non-Proliferation of Nuclear Weapons, 2nd  session},
      publisher = {[UN],},
      recid = {1627647},
      pages = {17 p.},
      address = {[New York] :. 2018-05-16},
      year = {2018},
      month = {May},
}