@article{1398397,
      author = {Singh, Bhawani. and Goel, R. K.,},
      url = {http://library.usi.edu/record/1398397},
      title = {Engineering rock mass classification tunneling,  foundations, and landslides / [electronic resource] :},
      publisher = {Butterworth-Heinemann,},
      recid = {1398397},
      pages = {1 online resource (xv, 365 p.) :},
      address = {Waltham, MA :},
      year = {2011},
}