@article{723663,
      note = {International conference proceedings.},
      author = {Niemann-Delius, Christian,},
      url = {http://library.usi.edu/record/723663},
      title = {Proceedings of the 12th International Symposium Continuous  Surface Mining -- Aachen 2014 [electronic resource] /.  International Symposium Continuous Surface Mining},
      doi = {https://doi.org/10.1007/978-3-319-12301-1},
      recid = {723663},
      pages = {1 online resource (xiv, 644 pages) :},
}