TY  - BOOK
AU  - Ries,Al
AU  - Trout,Jack
TI  - Positioning: the battle for your mind 
AV  - HF5827.2 .R53 1986
U1  - 659.1 
PY  - 1986///
CY  - New York
PB  - Warner books
KW  - Positioning
KW  - Advertising
ER  -