@article{95078,
      author = {Christoskov, L. and Ranguelov, B.},
      url = {http://digitallibrary.un.org/record/95078},
      title = {Earthquake prediction research in Bulgaria /},
      publisher = {UN,},
      recid = {95078},
      pages = {6 p.},
      address = {Geneva :. 1988-06-15},
      year = {1988},
      month = {Jun},
}