^A related but slightly more complex example is given by Führ, p. 143.
^Bezuglyi, Sergey (2000), "Groups of automorphisms of a measure space and weak equivalence of cocycles", Descriptive set theory and dynamical systems (Marseille-Luminy, 1996), London Math. Soc. Lecture Note Ser., vol. 277, Cambridge Univ. Press, Cambridge, pp. 59–86, MR1774424. See p. 62 for an example of this usage.