..
L.A.N. Amaral, A.-L. Barabási, H.A. Makse, H.E. Stanley
Physical Review E 52, 4087–5005 (1995)
Fractals 1, 846–859 (1993)
Revue Roumanie de Physique 34, 353-357 (1989)
Physica A 207, 219–227 (1994)
.png){kind=small}
