L. N. Hau

Vortex laws and field line invariants in polytropic field-aligned MHD flow

B. Sonnerup, B. U. Ö Sonnerup, L. N. Hau, 1994 .

Double‐polytropic closure in the magnetosheath

G. Paschmann, T. Phan, B. Sonnerup, 1993 .

On slow-mode waves in an anisotropic plasma

B. Sonnerup, Bengt U. O. Sonnerup, L. N. Hau, 1993 .