W. Muschik, H. Ehrentraut and C. Papenfuss
The connection between Ericksen-Leslie equations and the balances of mesoscopic theory of liquid crystals
Mol. Cryst. Liq. Cryst. 262, 1995, 417-423

Ericksen-Leslie equations can be derived, if the mesoscopic local balance equations are exploited by use of the orientation distribution function for total alignment.