@article{100598,
      note = {"A new revision of former UN-ECE Standard no. 19".},
      url = {http://digitallibrary.un.org/record/100598},
      title = {UN-ECE Standard S-1 : seed potatoes : revised European  standard for seed potatoes /},
      publisher = {UN,},
      recid = {100598},
      pages = {7, [7] p.},
      address = {Geneva :. 1982},
      year = {1982},
}