@ARTICLE{Rodriguez-Mier10_ei,
  author = {P. Rodr\'{\i}guez-Mier and M. Mucientes and M. Lama and M.I. Couto},
  title = {Composition of web services through genetic programming},
  journal = {Evolutionary Intelligence},
  year = {2010},
  volume = {3},
  pages = {171-186},
  doi = {doi:10.1007/s12065-010-0042-z}
}