Natural and Artificial Models in Computation and Biology 5th International Work-Conference on the Interplay Between Natural and Artificial Computation, IWINAC 2013, Mallorca, Spain, June 10-14, 2013. Proceedings, Part I - Ferrández Vicente, José Manuel; Álvarez Sánchez, José Ramón; Paz López, Félix de la; Toledo Moreo, Fco. Javier (Springer Berlin Heidelberg : Imprint: Springer, 2013)