1. Blair, D.E.: Riemannian geometry of contact and symplectic manifolds, 2nd edn. Progress in Mathematics, vol. 203. Birkhäuser, Boston (2010)
2. Cappelletti Montano, B., Pastore, A.M.: Einstein-like conditions and cosymplectic geometry. J. Adv. Math. Stud. 3(2), 27–40 (2010)
3. Cappelletti-Montano, B., De Nicola, A., Yudin, I.: A survey on cosymplectic geometry. Rev. Math. Phys. 25(10), 1343002 (2013)
4. de Leon, M., Marrero, J.C.: Compact cosymplectic manifolds with transversally positive definite Ricci tensor. Rend. Mat. Appl. (7) 17(4), 607–624 (1997)
5. Kobayashi, S., Nomizu, K.: Foundations of Differential Geometry, vol. I. Wiley, New York (1963)