@article{755657,
      url = {http://digitallibrary.un.org/record/755657},
      title = {Colombia : mineralizacion de cobre-molibdeno en el  municipio de Acandi, departamento del choco : informe  técnico},
      publisher = {UN,},
      recid = {755657},
      pages = {165 p. :},
      address = {Bogota :. 1982},
      year = {1982},
}