@article{4006007,
      author = {Thant, U, 1909-1974},
      url = {http://digitallibrary.un.org/record/4006007},
      title = {Secretary-General signs Earth Day Proclamation},
      publisher = {UN Dept. of Public Information,},
      recid = {4006007},
      pages = {3 p.},
      address = {New York :. 1971-02-26},
      year = {1971},
      month = {Feb},
}