TY  - BOOK
AU  - Ries,Al
AU  - Trout,Jack
TI  - Positioning: the battle for your mind 
SN  - 0070652635
AV  - HF5827.2 .R54
PY  - 1981///
CY  - New York
PB  - McGraw-Hill
KW  - Positioning (Advertising)
N1  - Includes index
ER  -