@article{366844,
      url = {http://digitallibrary.un.org/record/366844},
      title = {A duration calculus with infinite intervals},
      publisher = {UN University :},
      recid = {366844},
      pages = {i, 34 p.},
      address = {Tokyo :. 1995-02},
      year = {1995},
      month = {Feb},
}