@book{18988, author = {Beliakov, Gleb. and Pradera, Ana. and SpringerLink (Online service)}, title = {Aggregation Functions: A Guide for Practitioners}, publisher = {Springer-Verlag Berlin Heidelberg,}, year = {2007.}, address = {Berlin, Heidelberg :}, url = {http://dx.doi.org/10.1007/978-3-540-73721-6} }