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L.A.N. Amaral, A.-L. Barabási, H.A. Makse, H.E. Stanley
January 1, 1995
Physical Review E 52, 4087–5005 (1995)
Physical Review A 45, R6951–R6954 (1992)
Fractals 4, 307–319 (1996)
Fractals 4, 321–329 (1996)