[1] Einstein A 1915 Preuss. Akad. Wiss. Berlin 47 778

[2] Tolman R C 1934 Relativity, Thermodynamics and
Cosmology (Oxford: Oxford University Press) p 227

[3] Papapetrou A 1948 Proc. R. Ir. Acad. A 52 11

[4] Landau L D and Lifshitz E M 1951 The Classical Theory of
Fields (Reading, MA: Addison-Wesley)

[5] Bergmann P G and Thomson R 1953 Phys. Rev. 89 400

[6] Goldberg J N 1959 Phys. Rev. 111 315

[7] Weinberg S 1972 Gravitation and Cosmology: Principles
and Applications of General Theory of Relativity (New York: Wiley)

[8] M{\oller C 1958 Ann. Phys. $($N. Y.$)$ 4 347

[9] Xulu S S 2000 Mod. Phys. Lett. A 15 1511

Xulu S S PhD Thesis hep-th/0308070

Xulu S S 2003 Astrophys. Space. Sci. 283 23

Vagenas E C 2004 Mod. Phys. Lett. A 19 213

Gad R 2005 Astrophys. Space Sci. 295 459

[10] Radinschi I 2000 Fizika B 9 203

Radinschi I 2000 Mod. Phys. Lett. A 15 2171

Radinschi I 2001 Chin. J. Phys. 39 231

Radinschi I 2001 Mod. Phys. Lett. A 16 673

[11] Lessner G 1996 Gen. Rel. Grav. 28 527

[12] Virbhadra K S 1999 Phys. Rev. D 60 104041

[13] Virbhadra K S 1990 Phys. Rev. D 41 1086

Virbhadra K S 1990 Phys. Rev. D 42 2919

Rosen N and Virbhadra K S 1993 Gen. Rel. Grav. 25 429

Virbhadra K S 1995 Pramana J. Phys. 45 215

Vagenas E C 2003 Int. J. Mod. Phys. A 18 5949

Sharif M 2004 Nuovo Cimento B 19 463

Sharif M 2004 Int. J. Mod. Phys. D 13 1019

Gad R 2004 Mod. Phys. Lett. A 19 1847

[14] Rosen N 1995 Gen. Rel. Grav. 26 323

[15] Johri J B, Kalligas D, Singh G P and Everitt C W F 1995
Gen. Rel. Grav. 27 323

[16] Banerjee N and Sen S 1997 Pramana J. Phys. 49 609

[17] Albrow M G 1973 Nature 241 56

[18] Tryon E P 1973 Nature 246 396

[19] Cooperstock F I 1994 Gen. Rel. Gravit. 26 323

Cooperstock F I and Israelit M 1995 Fond. Phys. 25 631

[20] Aydogdu O 2006 Int. J. Mod. Phys. A 21 3845

Aydogdu O 2006 Int. J. Mod. Phys. D 15 459

Aydogdu O 2006 Fortschritte der Physik 54 246

Salt{\i M and Havare A 2005 Int. J. Mod. Phys. A 20 2169

Salt{\i M 2005 Astrophys. Space Sci. 299 159

Aydogdu O, Salt{\i M and Korunur M 2005 Acta Phys. Slov.
55 537

[21] Vargas T 2004 Gen. Rel. Gravit. 36 1255

[22] Ayg\"{un S, Ayg\"{un M and Tarhan \.I 2007 Pramana J.
Phys. 68 21

[23] Ayg\"{un S, Baysal H and Tarhan \.I 2007
in press: Int. J. Theor. Phys. DOI:10.1007/s10773-007-9375-5

[24] Vagenas E C 2003 Int. J. Mod. Phys A 18 5949

Vagenas E C 2003 Int. J. Mod. Phys. A 18 5781

Vagenas E C 2005 Int. J. Mod. Phys. D 14 573

Grammenos Th 2005 Mod. Phys. Lett. A 20 1741

Radinschi I and Grammenos Th 2006 Int. J. Mod. Phys. A
21 2853

[25] Lessner G 1996 Gen. Rel. Grav. 28 527

[26] Chodos A and Detweiler S 1980 Phys. Rev. D 21 2167

[27] Marciano W J 1984 Phys. Rev. Lett. 52 489

[28] Sahdev D 1984 Phys. Rev. D30 2495

[29] Emelyanov V M, Nikitin Yu P, Rozental J L and Berkov A V 1986
Phys. Rep. 143 1

[30] Chatterjee S and Bhui B 1993 Int. J. Theor. Phys.
32 671

[31] Overduin J M and Wesson P S 1987 Phys. Rep. 283 303

[32] Misner C W, Thorne K S and Wheeler J A 1973
Gravitation (New York: Freeman)

[33] Cooperstock F I and Sarracino R S 1978 J. Phys. A:
Math. Gen. 11 877

[34] Ayg\"{un S, Tarhan \.I and Baysal H 2007 Chin. Phys.
Lett. 24 355

[35] Ayg\"{un S 2007 Acta Phys. Pol. B 38 73