@article{107457,
      note = {At head of title : United Nations Environment Programme.},
      author = {Hinnawi, Essam E. and Hashimi, Manzur H.},
      url = {http://digitallibrary.un.org/record/107457},
      title = {The state of the environment /},
      publisher = {Butterworths,},
      recid = {107457},
      pages = {x, 182 p. :},
      address = {London ;. 1987},
      year = {1987},
}