@article{escidoc:0266, title = {{Frequencies and polarization vectors of phonons: Results from force constants which are fitted to experimental data or calculated ab initio}}, author = {Illg, C. and Meyer, B. and F\"ahnle, M.}, journal = {{Physical Review B}}, volume = {86}, number = {17}, publisher = {Published by the American Physical Society through the American Institute of Physics}, address = {Woodbury, NY}, year = {2012}, doi = {10.1103/PhysRevB.86.174309} }