@incollection{28, author = {Francisco Herrera and Enrique Herrera-Viedma and Luis Martínez and Luis Gonzaga Pérez and A.G López and S Alonso}, title = {A Multi-granular Linguistic Hierarchical Model To Evaluate The Quality Of Web site Services}, year = {2006}, volume = {201}, pages = {247-274}, publisher = {Springer}, url = {http://www.springer.com/engineering/computational+intelligence+and+complexity/book/978-3-540-33516-0}, }