@article{16833,
      author = {Thomas, L. J.},
      url = {http://library.usi.edu/record/16833},
      title = {An introduction to mining: exploration, feasibility,  extraction, rock mechanics},
      publisher = {Hicks, Smith & Sons,},
      recid = {16833},
      pages = {ix, 436 p.},
      address = {Sydney,},
      year = {1973},
}