TY  - BOOK
AU  - De Bono,Edward
TI  - Practical thinking: 4 ways to be right, 5 ways to be wrong, 5 ways to understand 
AV  - BF455 D42 1976
PY  - 1976///
CY  - Middlesex, england
PB  - Penguin
KW  - Pensamiento
ER  -