R. Goto

Turbulence in boundary flow of superfluid 4He triggered by free vortex rings.

M. Tsubota, H. Yano, Y. Nago, 2007, Physical review letters.

Instability of Quantized Vortices Attached to Oscillating Boundaries in Superfluid 4He

H. Yano, K. Obara, O. Ishikawa, 2008 .