citations :

Innocent De Marchi our maths teacher

Antonia Vidal our technology teacher

Catherine Cobb our english teacher

Margalida Ors our art teacher

Visited web pages:

http://rincondelvago.com/fibonacci.html Knott, R (2007 March 5). Fibonacci numbers and nature. Retrieved March 16, 2007, from Fibonacci numbers and nature Web site:

http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/fibnat.html r.Knoot, (200

http://pass.maths.org.uk/issue3/fibonacci/index.html . Retrieved March 16, 2007, from termsof use and noticies