Rogue waves in superfluid helium V.B. Efimov, A.N. Ganshin, G.V. Kolmakov, P.V.E. McClintock and L.P. Mezhov-Deglin Eur. Phys. J. Special Topics, 185 (2010) 181-193 Published online: 23 August 2010 DOI: 10.1140/epjst/e2010-01248-5