@article{paperid:201460, author = {Hosseini, Mohammad and Shahtahmassebi, Nasser}, title = {First – principles study of the Electronic structure of BaTiO3 using Different Approximations}, journal = {Chinese Journal of Physics}, year = {2004}, volume = {42}, number = {5}, month = {March}, issn = {0577-9073}, pages = {619--628}, numpages = {9}, keywords = {PACS numbers: 71.15.Mb}, }