1. Fibonacci Numbers;Vorobyov,1961
2. Fibonacci and Lucas Numbers;Hoggat,1969
3. From the golden mean to chaos;Spinadel;Nueva Libreria,1998
4. From Pharaohs to Fractals;Gazale,1999
5. Beyond Measure. A Guided Tour Through Nature, Myth, and Number;Kappraff,2002