1. Benedetti R., Petronio C., Lectures on Hyperbolic Geometry, Universitext, Springer, Berlin, 1992
2. Calegari D., The Gromov norm and foliations, Geom. Funct. Anal., 2000, 10(6), 1423–1447
3. Eliashberg Y., Contact 3-manifolds twenty years since J.Martinet's work, Ann. Inst. Fourier (Grenoble), 1992, 42(1–2), 165–192
4. Eliashberg Y., Thurston W.P., Confoliations, Univ. Lecture Ser., 13, AMS, Providence, 1998
5. Geiges, H., An Introduction to Contact Topology, Cambridge Stud. Adv. Math., 109, Cambridge University Press, Cambridge, 2008