@article{607164,
      url = {http://digitallibrary.un.org/record/607164},
      title = {State of world population. youth supplement, 2007 :},
      publisher = {UNFPA,},
      recid = {607164},
      pages = {vii, 47 p. :},
      address = {[New York] :. 2007},
      year = {2007},
}