N. Berglund, H. Kunz
J. Stat. Phys. 83, 81-126 (1996)
N. Berglund, Alex
Hansen, E. H. Hauge, J. Piasecki
Phys. Rev. Letters 77, 2149-2152 (1996)
N. Berglund
preprint IPT-EPFL (1996)
N. Berglund
Nonlinear Phenomena in Complex Systems 3, 61-70 (2000)
(proceedings, Maribor 1996)