P. Lesse and P. Friš Streaming birefringence and viscosity described in terms of a complex function of the velocity gradient 1965, Vol. 30, Issue 10, pp. 3377–3387
[Abstract]
P. Friš Darstellung der Lichtpolarisations-Zustände mittels komplexer Zahlen 1965, Vol. 30, Issue 5, pp. 1366–1372
[Abstract]
