Unbounded quantum diffusion and a new class of level statistics
Theo Geisel, R. Ketzmerick, and G. Petschel (1992)
In: Quantum Chaos - Theory and Experiment, edited by P. Cvitanovic and I. C. Percival and A. Wirzba. Kluwer Academic Publishers, Dordrecht, pages 43. ( BibTeX export )