@Article{ leotam01, author = { Leonardi, Gian Paolo and Tamanini, Italo }, title = { Metric spaces of partitions, and Caccioppoli partitions }, journal = { Adv. Math. Sci. Appl. }, year = { 2002 }, volume = { 12 }, number = { 2 }, pages = { 725-753 }, URL = { http://cvgmt.sns.it/paper/189/ }, note = { cvgmt preprint} }