TY  - BOOK
AU  - Gelb,Michael
TI  - How to think like Leonardo Da Vinci: seven steps to genius every day 
AV  - BF408 .H698 1998
PY  - 1998///
CY  - New York, New York
PB  - Delacorte Press
KW  - Creative thinking
KW  - Problems, exercises, etc
N1  - 1 (pages 310-315); 2
ER  -