@article{144960,
      author = {Afrouz, Andy A.},
      url = {http://library.usi.edu/record/144960},
      title = {Practical handbook of rock mass classification systems and  modes of ground failure /},
      publisher = {CRC Press,},
      recid = {144960},
      pages = {195 p. :},
      address = {Boca Raton :},
      year = {1992},
}