@inbook{OCB2008,
author = {A. Orriols-Puig and  J. Casillas and  E. Bernad\'o-Mansilla},
title = {Evolving Fuzzy Rules with UCS: Preliminary Results},
booktitle = {Advances at the frontier of LCS},
publisher = {Springer},
pages = {96--116},
year = {2008}
}