Bell J., . (1994). Mechanics of solids;vol.IV, J.F.Bell, eng. Springer verlan: .
Bell J.F, . 1994. Mechanics of solids;vol.IV, J.F.Bell, eng. Springer verlan: .
Bell J.F, . Mechanics of solids;vol.IV, J.F.Bell, eng. Springer verlan: . 1994.