@article{3933877,
      url = {http://digitallibrary.un.org/record/3933877},
      title = {The state of food and agriculture., 1972},
      publisher = {Food and Agriculture Organization of the United Nations,},
      recid = {3933877},
      pages = {x, 189 p. :},
      address = {Rome :. 1972},
      year = {1972},
}