@article{267623,
      author = {Stanciu, I. and Stratulat, I. and Tipei, G. and Stoian,  V.},
      url = {http://digitallibrary.un.org/record/267623},
      title = {Difficulties and achievements in the field of environment  protection in the coal mining sector of Romania /},
      publisher = {UN,},
      recid = {267623},
      pages = {4 p.},
      address = {Geneva :. 1999-01-21},
      year = {1999},
      month = {Jan},
}