AU  - Gelb, Michael J.
TI  - How to think like Leonardo Da Vinci: : seven steps to genius every day / 
SN  - 0440508274
U1  - 153.35 
PY  - 2004///
CY  - New York: 
PB  - Random House
KW  - LEONARDO, DA VINCI,
KW  - 1452, 1519
KW  - PENSAMIENTO CREATIVO
KW  - PROBLEMAS, EJERCICIOS ETC
ER  -