\begin{thebibliography}{Led10}

\bibitem[FG10]{furstenberg-glasner2010}
Hillel Furstenberg and Eli Glasner.
\newblock Stationary dynamical systems.
\newblock In {\em Dynamical numbers---interplay between dynamical systems and
  number theory}, volume 532 of {\em Contemp. Math.}, pages 1--28. Amer. Math.
  Soc., Providence, RI, 2010.

\bibitem[Led10]{ledrappier2010}
Fran{\c{c}}ois Ledrappier.
\newblock Linear drift and entropy for regular covers.
\newblock {\em Geom. Funct. Anal.}, 20(3):710--725, 2010.

\bibitem[Les11]{lessa2011}
Pablo Lessa.
\newblock Rotation vectors for homeomorphisms of non-positively curved
  manifolds.
\newblock {\em Nonlinearity}, 24(11):3237--3266, 2011.

\end{thebibliography}