@article{887089,
      recid = {887089},
      author = {Coppens, Philip.},
      title = {X-ray charge densities and chemical bonding [electronic  resource] /},
      publisher = {International Union of Crystallography ; Oxford ;},
      address = {[Chester, England] :},
      pages = {xiii, 358 p. :},
      year = {1997},
      url = {http://library.usi.edu/record/887089},
}