Díaz-Pernil, D., Gutiérrez-Naranjo M. A., Pérez-Jiménez M. J., & Riscos-Núñez A.  (2008).??A Fast Solution to the Partition Problem by Using Tissue-Like P Systems.  (D. Kearney, V. Nguyen, G. Gioiosa, T. Hendtlass, Ed.).Third International Conference on Bio-Inspired Computing.  43 - 47.