@congreso_internacional{466,
  author = {Rocío de Andrés and José Luis García-Lapresta and Jun Liu and Luis Martínez},
  title = {Performance Appraisal with heterogenous information},
  year = {2008},
  pages = {1409-1414},
  month = {November 17-19th},
  publisher = {International Conference on Intelligent System and Knowledge Engineering (ISKE2008)},
  address = {Xiamen (China)},
}