@article{26690,
      url = {http://digitallibrary.un.org/record/26690},
      title = {Study on production costs and income from coarse grains,  pulses, roots and tuber (CGPRT) crops.},
      publisher = {UN,},
      recid = {26690},
      pages = {iv, 51 p. :},
      address = {Bangkok :. 1981-09-22},
      year = {1981},
      month = {Sep},
}