@article{58873,
      author = {Ballhausen, Carl Johan,},
      url = {http://library.usi.edu/record/58873},
      title = {Introduction to ligand field theory.},
      publisher = {McGraw-Hill},
      recid = {58873},
      pages = {298 p.},
      address = {New York,},
      year = {1962},
}