1   ‘Rotation halts cylindrical, relativistic gravitational collapse’,
T. A. Apostolatos and K. S. Thorne, Phys. Rev. D 46, 2435 (1992).
 
2   ‘The last three minutes: Issues in gravitational wave measurements of coalescing compact binaries’,
C. Cutler, T. A. Apostolatos, L. Bildsten, L. S. Finn, E. E. Flanagan, D. Kennefick, D. M. Markovic, A. Ori, E. Poisson, G. J. Sussman, and K. S. Thorne, Phys. Rev. Lett. 70, 2984 (1993).
 
3   ‘Gravitational Radiation from a particle in circular orbit around a black hole. III: Stability of circular orbits under radiation reaction’,
T. A. Apostolatos, D. Kennefick, A. Ori, and E. Poisson, Phys. Rev. D 47, 5376 (1993).
 
4  ‘Spin induced orbital precession and its modulation of the gravitational wave-forms from merging binaries’,
T. A. Apostolatos, C. Cutler, G. J. Sussman, and K. S. Thorne, Phys. Rev. D 49, 6274 (1994).
 
5   ‘Search templates for gravitational waves from precessing inspiraling binaries’,
T. A. Apostolatos, Phys. Rev. D 52, 605 (1995).
 
6  ‘A spinning test body in the strong field of a Schwarzschild black hole’,
T. A. Apostolatos, Clas. Quan. Grav. 13, 799 (1996).
 
7   ‘Construction of a template family for the detection of gravitational waves from coalescing binaries’,
T. A. Apostolatos Phys. Rev. D 54, 2421 (1996).
 
8   ‘The influence of spin-spin coupling on inspiraling compact binaries with M₁ = M₂ and  S₁ = S₂’,
T. A. Apostolatos, Phys. Rev. D 54, 2438 (1996).
 
9  ‘The inverse problem for pulsating neutron stars: a ‘fingerprint analysis’ for the supranuclear equation of state’,
K. D. Kokkotas, T. A. Apostolatos, N. Andersson, Mon.Not.Roy.Astron.Soc. 320, 307 (2001).
 
10  ‘Less Accurate but more efficient family of search templates for detection of gravitational waves from inspiraling compact binaries’,
A. E. Chronopoulos, and T. A. Apostolatos, Phys. Rev. D 64, 042003 (2001).
 
11 ‘Hodograph: A very useful tool to solve difficult kinematic problems’,
T. A. Apostolatos, American Journal of Physics 71(3), 261 (2003).
 
12 ‘Non-linear pulsations in differentially rotating neutron stars: mass-shedding-induced damping and splitting of the fundamental mode’,
N. Stergioulas, T. A. Apostolatos, J. A. Font, Mon. Not. Roy. Astr. Soc. 352(4) 1089 (2004).
 
13 ‘Corrections and comments on the Multipole Moments of Axisymmetric Electrovacuum Spacetimes’,
Thomas P. Sotiriou, Theocharis A. Apostolatos, Class. Quant. Grav. 21 5727 (2004).
 
14 ‘Tracing the geometry around a massive, axisymmetric body to measure, through gravitational waves, its mass moments and electromagnetic moments', 
Thomas P. Sotiriou, Theocharis A. Apostolatos, Phys. Rev. D 71, 044005 (2005).
 
15 ‘Stochastic parametric amplification due to higher order correlations: A perturbative approach to non-Abelian effects in time ordering’,
Fokion T. Hatziioannou, Theocharis A. Apostolatos, Nikos V. Sarlis Phys. Rev. E 74, 051118 (2006).
 
16  ‘Faithful transformation of quasi-isotropic to Weyl-Papapetrou coordinates: A prerequisite to compare metrics’,
George Pappas, and Theocharis A. Apostolatos Classical and Quantum Gravity 25, 80022 (2008).

17  ‘How to observe a non-Kerr spacetime using gravitational waves’,
Apostolatos, Theocharis A.; Lukes-Gerakopoulos, Georgios; Contopoulos, George Phys. Rev. Lett. 103, 111101 (2009).

18  ‘Observable signature of a background deviating from the Kerr metric’,
Lukes-Gerakopoulos, Georgios; Apostolatos, Theocharis A.; Contopoulos, George Phys. Rev. D 81, 124005 (2010).

19 ‘Orbits in a Non-Kerr Dynamical System’,
Contopoulos, George; Lukes-Gerakopoulos, Georgios; Apostolatos, Theocharis A. International Journal of Bifurcation and Chaos 21, 2261-2277 (2011).

20 ‘Revising the Multipole Moments of Numerical Spacetimes and its Consequences’,
Pappas, Georgios; Apostolatos, Theocharis A. Phys. Rev. Lett. 108, 231104 (2012).

21 ‘The separable analogue of Kerr in Newtonian Gravity’
Glampedakis Kostas; Apostolatos, Theocharis A. Classical and Quantum Gravity 30, 055006 (2013).

22 ‘An all-purpose metric for the exterior of any kind of rotating neutron star’,
Pappas, Georgios; Apostolatos, Theocharis A. Mon. Not. Roy. Astr. Soc. 429 3007-3024 (2013).

23 ‘Effectively universal behavior of rotating neutron stars in general relativity makes them even simpler than their Newtonian counterparts’,
Pappas, Georgios; Apostolatos, Theocharis A. Phys. Rev. Lett. 112  121101 (2014). [PRL Editors’ Suggestion].