@article{782256,
      author = {Lobo, Francisco S. N.,},
      url = {http://library.usi.edu/record/782256},
      title = {Wormholes, warp drives and energy conditions /},
      publisher = {Springer,},
      recid = {782256},
      pages = {1 online resource.},
      address = {Cham :},
      year = {2017},
}