Recurrence of Order in Chaos. - Georgios Contopoulos; M. Harsoula; Rudolf Dvorak; Florian Freistetter (Int. J. Bifurc. Chaos, 2005)

Attractors in Conservative Systems. - Georgios Contopoulos (Int. J. Bifurc. Chaos, 2006)

Stickiness in Chaos. - Georgios Contopoulos; M. Harsoula (Int. J. Bifurc. Chaos, 2008)

Astrophysics: Dynamical Systems. - George Contopoulos (Encyclopedia of Complexity and Systems Science, 2009)

Stickiness Effects in Conservative Systems. - Georgios Contopoulos; M. Harsoula (Int. J. Bifurc. Chaos, 2010)

Orbits in a Non-Kerr Dynamical System. - Georgios Contopoulos; Georgios Lukes-Gerakopoulos; T. A. Apostolatos (Int. J. Bifurc. Chaos, 2011)

Diffusion of Chaotic orbits in barred Spiral Galaxies. - M. Harsoula; C. Kalapotharakos; Georgios Contopoulos (Int. J. Bifurc. Chaos, 2011)

The Structure and Evolution of confined Tori Near a Hamiltonian Hopf bifurcation. - Matthaios Katsanikas; Panos A. Patsis; Georgios Contopoulos (Int. J. Bifurc. Chaos, 2011)

Galactic dynamics. - George Contopoulos; Christos Efthymiopoulos (Scholarpedia, 2011)

Quantum Vortices and Trajectories in Particle Diffraction. - N. Delis; Christos Efthymiopoulos; George Contopoulos (Int. J. Bifurc. Chaos, 2012)

Instabilities and Stickiness in a 3D rotating Galactic potential. - Matthaios Katsanikas; Panos A. Patsis; Georgios Contopoulos (Int. J. Bifurc. Chaos, 2013)

Chaos in 2-d Bohmian Trajectories. - Athanasios C. Tzemos; George Contopoulos (Maple Trans., 2022)

Critical points and trajectories of the Bohmian quantum flow. - Athanasios C. Tzemos; George Contopoulos (Maple Trans., 2023)

Unstable Points, Ergodicity and Born's Rule in 2d Bohmian Systems. - Athanasios C. Tzemos; George Contopoulos (Entropy, 2023)

Formal Integrals of Motion in Time Periodic Hamiltonian Systems. - Athanasios C. Tzemos; George Contopoulos (Maple Trans., 2024)