@article{3933864,
      url = {http://digitallibrary.un.org/record/3933864},
      title = {The state of food and agriculture., 1973},
      publisher = {Food and Agriculture Organization of the United Nations,},
      recid = {3933864},
      pages = {xii, 222 p. :},
      address = {Rome :. 1973},
      year = {1973},
}