@article{798146,
      author = {Hafner, Manfred. and Tagliapietra, Simone.},
      url = {http://library.usi.edu/record/798146},
      title = {The European gas markets : challenges and opportunities /},
      publisher = {Springer International Publishing,},
      recid = {798146},
      pages = {1 online resource (437 pages)},
      address = {Cham :},
      year = {2017},
}