@article{91830,
      author = {Bertolotti, Mario.},
      url = {http://library.usi.edu/record/91830},
      title = {Masers and lasers : an historical approach /},
      publisher = {A. Hilger,},
      recid = {91830},
      pages = {xii, 268 p. :},
      address = {Bristol [Gloucestershire] :},
      year = {1983},
}