@article{826490,
      note = {Available online (viewed 15 Apr. 2016).},
      url = {http://digitallibrary.un.org/record/826490},
      title = {World population ageing, 2015 : highlights},
      publisher = {UN,},
      recid = {826490},
      pages = {27 p. :},
      address = {New York :. 2015},
      year = {2015},
}