1. Encounters with chaos;Gulick,1992
2. An introduction to chaotic dynamical systems;Devaney,1989
3. Fractals, chaos and power laws;Schroeder,1991
4. La Familia de Numeros Metalicos;de Spinadel;Cuadernos del CIMBAGE,2003
5. Nonlinearity and the metallic means family;de Spinadel;Nonlinear Anal,2001