References
- Ivanova , V S . 1992 . ‘Synergetics: strength and fracture of metallic materials’ , Moscow : Publ Nauka .
- Loskutov , A Yu and Mikhailov , A S . 1990 . ‘Introduction into synergetics’ , Moscow : Publ Nauka .
- Nicolis , G . 1989 . ‘Dynamics of hierarchic systems’, evolution representation’ , Moscow : Publ Mir .